Mobile terminal and controlling method thereof

ABSTRACT

Disclosed are a mobile terminal and controlling method thereof. The present invention includes a battery unit including a main battery and a backup battery, a sensing unit, a display unit, and a controller configured to sense a residual quantity of the backup battery if entering a battery swap mode in the course of running a content, wherein the battery swap mode comprises a state that the main battery is separated from the mobile terminal and wherein the controller is further configured to determine a content operating mode based on the sensed residual quantity of the backup battery.

Pursuant to 35 U.S.C. § 119(a), this application claims the benefit ofearlier filing date and right of priority to Korean Application No.10-2016-0078569, filed on Jun. 23, 2016, the contents of which arehereby incorporated by reference herein in its entirety.

BACKGROUND OF THE INVENTION Field of the Invention

The present invention relates to a mobile terminal and controllingmethod thereof, and more particularly, to a mobile terminal andcontrolling method thereof, suitable for determining an operating modeof a currently run content according to a residual quantity of a backupbattery in case of entering a battery swap mode in the course of runningthe content.

Discussion of the Related Art

Terminals may be generally classified as mobile/portable terminals orstationary terminals according to their mobility. Mobile terminals mayalso be classified as handheld terminals or vehicle mounted terminalsaccording to whether or not a user can directly carry the terminal.

Mobile terminals have become increasingly more functional. Examples ofsuch functions include data and voice communications, capturing imagesand video via a camera, recording audio, playing music files via aspeaker system, and displaying images and video on a display. Somemobile terminals include additional functionality which supports gameplaying, while other terminals are configured as multimedia players.More recently, mobile terminals have been configured to receivebroadcast and multicast signals which permit viewing of content such asvideos and television programs.

Efforts are ongoing to support and increase the functionality of mobileterminals. Such efforts include software and hardware improvements, aswell as changes and improvements in the structural components.

Moreover, since a mobile terminal can be equipped with a separable ordetachable battery, if a remaining battery level is low, a user detachesand changes the battery. In doing so, in order to change the battery ofthe mobile terminal, the user turns off a power of the mobile terminaland then separates the battery from a body of the mobile terminal.

Thus, in using a mobile terminal of the related art, it is inconvenientfor a user to change a battery after ending a currently run content.

SUMMARY OF THE INVENTION

Accordingly, an object of the present invention is to address theabove-noted and other problems.

Accordingly, embodiments of the present invention are directed to amobile terminal and controlling method thereof that substantiallyobviate one or more problems due to limitations and disadvantages of therelated art.

One object of the present invention is to provide a mobile terminal andcontrolling method thereof, by which a content operating mode can bedetermined based on a residual quantity of a backup battery in case ofentering a battery swap mode in the course of running a content.

Another object of the present invention is to provide a mobile terminaland controlling method thereof, by which a control signal forcontrolling a currently run content to be run in an external terminal inaccordance with a determined content operating mode can be transmittedto the external terminal.

Further object of the present invention is to provide a mobile terminaland controlling method thereof, by which minimum information foroperating a currently run content in accordance with a determinedcontent operating mode is outputted.

Technical tasks obtainable from the present invention are non-limited bythe above-mentioned technical tasks. And, other unmentioned technicaltasks can be clearly understood from the following description by thosehaving ordinary skill in the technical field to which the presentinvention pertains.

Additional advantages, objects, and features of the invention will beset forth in the disclosure herein as well as the accompanying drawings.Such aspects may also be appreciated by those skilled in the art basedon the disclosure herein.

To achieve these objects and other advantages and in accordance with thepurpose of the invention, as embodied and broadly described herein, amobile terminal according to one embodiment of the present invention mayinclude a battery unit including a main battery and a backup battery, asensing unit, a display unit, and a controller configured to sense aresidual quantity of the backup battery if entering a battery swap modein the course of running a content, wherein the battery swap modecomprises a state that the main battery is separated from the mobileterminal and wherein the controller is further configured to determine acontent operating mode based on the sensed residual quantity of thebackup battery.

According to one aspect of the present invention, the mobile terminalmay further include a wireless communication unit configured tocommunicate with an external terminal, wherein if the determined contentoperating mode is a first content operating mode, the controller maytransmit a first control signal for controlling the currently runcontent to be run in the external terminal to the external terminal andends the running of the content.

According to one aspect of the present invention, if the battery swapmode is ended, the controller may re-run the ended content.

According to one aspect of the present invention, the controller mayre-run the ended content by starting at a first timing and the firsttiming may include a timing of ending the running of the run content inresponse to the first control signal in the external terminal.

According to one aspect of the present invention, the external terminalmay include a terminal currently running the same content as run in themobile terminal currently.

According to one aspect of the present invention, the mobile terminalmay further include a camera, wherein the controller may receive asignal corresponding to a recording standby mode of the externalterminal from the external terminal in a state of shooting a video in afirst view angle area including a first object through the camera,wherein the recording standby mode may include a state that a view angleof a camera provided to the external terminal enters the first viewangle area including the first object, wherein the controller maytransmit a second control signal for controlling the first object to berecorded by starting at a second timing to the external terminal, andwherein the second timing may include a shot end timing of the camera.

According to one aspect of the present invention, while a video shootingof the camera is ended, the controller may receive a recorded video datafrom the external terminal.

According to one aspect of the present invention, if the battery swapmode is ended, the controller may record the first object by starting ata third timing based on the received video data. And, the third timingmay include a timing at which a time taken for the external terminal torecord the first object from the second timing in response to the secondcontrol signal expires.

According to one aspect of the present invention, if the battery swapmode is ended, the controller may transmit a third control signal forcontrolling the video data recorded in the external terminal to bedeleted to the external terminal.

According to one aspect of the present invention, the mobile terminalmay further include a microphone, the controller may receive a signalcorresponding to a recording standby mode of the external terminal fromthe external terminal in the course of recording an audio of a secondobject through the microphone, the recording standby mode may include astate that a microphone provided to the external terminal senses theaudio of the second object, the controller may transmit a fourth controlsignal for controlling the audio of the second object to be recorded bystarting at a fourth timing, and the fourth timing may include arecording end timing of the microphone.

According to one aspect of the present invention, while the audiorecording of the microphone is ended, the controller may receive therecorded audio data from the external terminal.

According to one aspect of the present invention, if the battery swapmode is ended, the controller may record the audio of the second objectby starting at a fifth timing based on the received audio data. And, thefifth timing may include a timing at which a time taken for the externalterminal to record the audio of the second object from the fourth timingin response to the fourth control signal expires.

According to one aspect of the present invention, if the battery swapmode is ended, the controller may transmit a fifth control signal forcontrolling the audio data recorded in the external terminal to bedeleted to the external terminal.

According to one aspect of the present invention, if the determinedcontent operating mode is a second content operating mode, thecontroller may output a minimum information for operating the currentlyrun content to the display unit.

According to one aspect of the present invention, if the determinedcontent operating mode is a third content operating mode, the controllermay maintain the running of the content.

According to one aspect of the present invention, a reference of theresidual quantity of the backup battery for determining the contentoperating mode may be determined based on the currently run content.

According to one aspect of the present invention, if a residual quantityof at least one of the main battery and the backup battery becomes equalto or smaller than a preset value, the controller may control a popupwindow indicating an entry into the battery swap mode to be outputted tothe display unit.

In another aspect of the present invention, as embodied and broadlydescribed herein, a method of controlling a mobile terminal according toanother embodiment of the present invention may include running acontent, entering a battery swap mode, corresponding to a state that amain battery is separated from the mobile terminal, in the course ofrunning the content, sensing a residual quantity of a backup battery,and determining a content operating mode based on the sensed residualquantity of the backup battery.

According to another aspect of the present invention, if the determinedcontent operating mode is a first content operating mode, the method mayfurther include transmitting a first control signal for controlling thecurrently run content to be run in an external terminal to the externalterminal.

According to another aspect of the present invention, if the determinedcontent operating mode is a second content operating mode, the methodmay further include outputting a minimum information for operating thecurrently run content to a display unit.

Accordingly, the present invention provides the following effects and/orfeatures.

According to at least one of embodiments of the present invention, incase of entering a battery swap mode in the course of running a content,since a mobile terminal can determined a content operating mode based ona backup battery residual quantity, it is advantageous in the a batterycan be changed without ending the content.

Further scope of applicability of the present invention will becomeapparent from the detailed description given hereinafter. However, itshould be understood that the detailed description and specificexamples, while indicating preferred embodiments of the invention, aregiven by illustration only, since various changes and modificationswithin the spirit and scope of the invention will become apparent tothose skilled in the art from this detailed description.

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention will become more fully understood from thedetailed description given herein below and the accompanying drawings,which are given by illustration only, and thus are not limitative of thepresent invention, and wherein:

FIG. 1A is a block diagram of a mobile terminal in accordance with thepresent disclosure;

FIGS. 1B and 1C are conceptual views of one example of the mobileterminal, viewed from different directions;

FIG. 2 is a conceptual view of a deformable mobile terminal according toan alternative embodiment of the present disclosure;

FIG. 3 is a conceptual view of a wearable mobile terminal according toanother alternative embodiment of the present disclosure;

FIG. 4 is a perspective diagram of a mobile terminal including a mainbattery and a backup battery according to one embodiment of the presentinvention;

FIG. 5 is a block diagram to describe configuration modules of a mobileterminal according to one embodiment of the present invention;

FIG. 6 is a diagram to describe one example of entering a battery swapmode according to one embodiment of the present invention;

FIG. 7 is a diagram to describe one example of entering a battery swapmode according to another embodiment of the present invention;

FIG. 8 is a diagram to describe one example of cancelling a battery swapmode according to one embodiment of the present invention;

FIG. 9 is a diagram to describe one example of ending a battery swapmode according to one embodiment of the present invention;

FIG. 10 is a diagram to describe one example of ending a battery swapmode according to another embodiment of the present invention;

FIG. 11 is a diagram to describe one example of determining a contentoperating mode based on a content according to one embodiment of thepresent invention;

FIG. 12 is a diagram to describe one example of playing a video in anexternal terminal in response to a content operating mode according toone embodiment of the present invention;

FIG. 13 is a diagram to describe one example of outputting a minimuminformation only in playing a video in response to a content operatingmode according to one embodiment of the present invention;

FIG. 14 is a diagram to describe one example of playing a music in anexternal terminal in response to a content operating mode according toone embodiment of the present invention;

FIG. 15 is a diagram to describe one example of outputting a minimuminformation only in playing a music in response to a content operatingmode according to one embodiment of the present invention;

FIG. 16 is a diagram to describe one example of shooting a video in anexternal terminal in response to a content operating mode according toone embodiment of the present invention;

FIG. 17 is a diagram to describe one example of outputting a minimuminformation only in shooting a video in response to a content operatingmode according to one embodiment of the present invention;

FIG. 18 is a diagram to describe one example of recording an audio in anexternal terminal in response to a content operating mode according toone embodiment of the present invention;

FIG. 19 is a diagram to describe one example of outputting a minimuminformation only in recording an audio in response to a contentoperating mode according to one embodiment of the present invention;

FIG. 20 is a diagram to describe one example of outputting a minimuminformation only in making a video call in response to a contentoperating mode according to one embodiment of the present invention;

FIG. 21 is a diagram to describe one example of changing a mode in thecourse of a voice call in response to a content operating mode accordingto one embodiment of the present invention; and

FIG. 22 is a flowchart to describe one example of determining a contentoperating mode based on a battery residual quantity according to oneembodiment of the present invention.

DETAILED DESCRIPTION OF THE INVENTION

Description will now be given in detail according to exemplaryembodiments disclosed herein, with reference to the accompanyingdrawings. For the sake of brief description with reference to thedrawings, the same or equivalent components may be provided with thesame reference numbers, and description thereof will not be repeated. Ingeneral, a suffix such as “module” and “unit” may be used to refer toelements or components. Use of such a suffix herein is merely intendedto facilitate description of the specification, and the suffix itself isnot intended to give any special meaning or function. In the presentdisclosure, that which is well-known to one of ordinary skill in therelevant art has generally been omitted for the sake of brevity. Theaccompanying drawings are used to help easily understand varioustechnical features and it should be understood that the embodimentspresented herein are not limited by the accompanying drawings. As such,the present disclosure should be construed to extend to any alterations,equivalents and substitutes in addition to those which are particularlyset out in the accompanying drawings.

It will be understood that although the terms first, second, etc. may beused herein to describe various elements, these elements should not belimited by these terms. These terms are generally only used todistinguish one element from another.

It will be understood that when an element is referred to as being“connected with” another element, the element can be connected with theother element or intervening elements may also be present. In contrast,when an element is referred to as being “directly connected with”another element, there are no intervening elements present.

A singular representation may include a plural representation unless itrepresents a definitely different meaning from the context. Terms suchas “include” or “has” are used herein and should be understood that theyare intended to indicate an existence of several components, functionsor steps, disclosed in the specification, and it is also understood thatgreater or fewer components, functions, or steps may likewise beutilized.

Mobile terminals presented herein may be implemented using a variety ofdifferent types of terminals. Examples of such terminals includecellular phones, smart phones, user equipment, laptop computers, digitalbroadcast terminals, personal digital assistants (PDAs), portablemultimedia players (PMPs), navigators, portable computers (PCs), slatePCs, tablet PCs, ultra books, wearable devices (for example, smartwatches, smart glasses, head mounted displays (HMDs)), and the like.

By way of non-limiting example only, further description will be madewith reference to particular types of mobile terminals. However, suchteachings apply equally to other types of terminals, such as those typesnoted above. In addition, these teachings may also be applied tostationary terminals such as digital TV, desktop computers, and thelike.

Reference is now made to FIGS. 1A-1C, where FIG. 1A is a block diagramof a mobile terminal in accordance with the present disclosure, andFIGS. 1B and 1C are conceptual views of one example of the mobileterminal, viewed from different directions.

The mobile terminal 100 is shown having components such as a wirelesscommunication unit 110, an input unit 120, a sensing unit 140, an outputunit 150, an interface unit 160, a memory 170, a controller 180, and apower supply unit 190. It is understood that implementing all of theillustrated components is not a requirement, and that greater or fewercomponents may alternatively be implemented.

Referring now to FIG. 1A, the mobile terminal 100 is shown havingwireless communication unit 110 configured with several commonlyimplemented components. For instance, the wireless communication unit110 typically includes one or more components which permit wirelesscommunication between the mobile terminal 100 and a wirelesscommunication system or network within which the mobile terminal islocated.

The wireless communication unit 110 typically includes one or moremodules which permit communications such as wireless communicationsbetween the mobile terminal 100 and a wireless communication system,communications between the mobile terminal 100 and another mobileterminal, communications between the mobile terminal 100 and an externalserver. Further, the wireless communication unit 110 typically includesone or more modules which connect the mobile terminal 100 to one or morenetworks. To facilitate such communications, the wireless communicationunit 110 includes one or more of a broadcast receiving module 111, amobile communication module 112, a wireless Internet module 113, ashort-range communication module 114, and a location information module115.

The input unit 120 includes a camera 121 for obtaining images or video,a microphone 122, which is one type of audio input device for inputtingan audio signal, and a user input unit 123 (for example, a touch key, apush key, a mechanical key, a soft key, and the like) for allowing auser to input information. Data (for example, audio, video, image, andthe like) is obtained by the input unit 120 and may be analyzed andprocessed by controller 180 according to device parameters, usercommands, and combinations thereof.

The sensing unit 140 is typically implemented using one or more sensorsconfigured to sense internal information of the mobile terminal, thesurrounding environment of the mobile terminal, user information, andthe like. For example, in FIG. 1A, the sensing unit 140 is shown havinga proximity sensor 141 and an illumination sensor 142.

If desired, the sensing unit 140 may alternatively or additionallyinclude other types of sensors or devices, such as a touch sensor, anacceleration sensor, a magnetic sensor, a G-sensor, a gyroscope sensor,a motion sensor, an RGB sensor, an infrared (IR) sensor, a finger scansensor, a ultrasonic sensor, an optical sensor (for example, camera121), a microphone 122, a battery gauge, an environment sensor (forexample, a barometer, a hygrometer, a thermometer, a radiation detectionsensor, a thermal sensor, and a gas sensor, among others), and achemical sensor (for example, an electronic nose, a health care sensor,a biometric sensor, and the like), to name a few. The mobile terminal100 may be configured to utilize information obtained from sensing unit140, and in particular, information obtained from one or more sensors ofthe sensing unit 140, and combinations thereof.

The output unit 150 is typically configured to output various types ofinformation, such as audio, video, tactile output, and the like. Theoutput unit 150 is shown having a display unit 151, an audio outputmodule 152, a haptic module 153, and an optical output module 154.

The display unit 151 may have an inter-layered structure or anintegrated structure with a touch sensor in order to facilitate a touchscreen. The touch screen may provide an output interface between themobile terminal 100 and a user, as well as function as the user inputunit 123 which provides an input interface between the mobile terminal100 and the user.

The interface unit 160 serves as an interface with various types ofexternal devices that can be coupled to the mobile terminal 100. Theinterface unit 160, for example, may include any of wired or wirelessports, external power supply ports, wired or wireless data ports, memorycard ports, ports for connecting a device having an identificationmodule, audio input/output (I/O) ports, video I/O ports, earphone ports,and the like. In some cases, the mobile terminal 100 may performassorted control functions associated with a connected external device,in response to the external device being connected to the interface unit160.

The memory 170 is typically implemented to store data to support variousfunctions or features of the mobile terminal 100. For instance, thememory 170 may be configured to store application programs executed inthe mobile terminal 100, data or instructions for operations of themobile terminal 100, and the like. Some of these application programsmay be downloaded from an external server via wireless communication.Other application programs may be installed within the mobile terminal100 at time of manufacturing or shipping, which is typically the casefor basic functions of the mobile terminal 100 (for example, receiving acall, placing a call, receiving a message, sending a message, and thelike). It is common for application programs to be stored in the memory170, installed in the mobile terminal 100, and executed by thecontroller 180 to perform an operation (or function) for the mobileterminal 100.

The controller 180 typically functions to control overall operation ofthe mobile terminal 100, in addition to the operations associated withthe application programs. The controller 180 may provide or processinformation or functions appropriate for a user by processing signals,data, information and the like, which are input or output by the variouscomponents depicted in FIG. 1A, or activating application programsstored in the memory 170. As one example, the controller 180 controlssome or all of the components illustrated in FIGS. 1A-1C according tothe execution of an application program that have been stored in thememory 170.

The power supply unit 190 can be configured to receive external power orprovide internal power in order to supply appropriate power required foroperating elements and components included in the mobile terminal 100.The power supply unit 190 may include a battery, and the battery may beconfigured to be embedded in the terminal body, or configured to bedetachable from the terminal body.

Referring still to FIG. 1A, various components depicted in this figurewill now be described in more detail. Regarding the wirelesscommunication unit 110, the broadcast receiving module 111 is typicallyconfigured to receive a broadcast signal and/or broadcast associatedinformation from an external broadcast managing entity via a broadcastchannel. The broadcast channel may include a satellite channel, aterrestrial channel, or both. In some embodiments, two or more broadcastreceiving modules 111 may be utilized to facilitate simultaneouslyreceiving of two or more broadcast channels, or to support switchingamong broadcast channels.

system which generates and transmits a broadcast signal and/or broadcastassociated information, or a server which receives a pre-generatedbroadcast signal and/or broadcast associated information, and sends suchitems to the mobile terminal. The broadcast signal may be implementedusing any of a TV broadcast signal, a radio broadcast signal, a databroadcast signal, and combinations thereof, among others. The broadcastsignal in some cases may further include a data broadcast signalcombined with a TV or radio broadcast signal.

The broadcast signal may be encoded according to any of a variety oftechnical standards or broadcasting methods (for example, InternationalOrganization for Standardization (ISO), International ElectrotechnicalCommission (IEC), Digital Video Broadcast (DVB), Advanced TelevisionSystems Committee (ATSC), and the like) for transmission and receptionof digital broadcast signals. The broadcast receiving module 111 canreceive the digital broadcast signals using a method appropriate for thetransmission method utilized.

Examples of broadcast associated information may include informationassociated with a broadcast channel, a broadcast program, a broadcastevent, a broadcast service provider, or the like. The broadcastassociated information may also be provided via a mobile communicationnetwork, and in this case, received by the mobile communication module112.

The broadcast associated information may be implemented in variousformats. For instance, broadcast associated information may include anElectronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB),an Electronic Service Guide (ESG) of Digital Video Broadcast-Handheld(DVB-H), and the like. Broadcast signals and/or broadcast associatedinformation received via the broadcast receiving module 111 may bestored in a suitable device, such as a memory 170.

The mobile communication module 112 can transmit and/or receive wirelesssignals to and from one or more network entities. Typical examples of anetwork entity include a base station, an external mobile terminal, aserver, and the like. Such network entities form part of a mobilecommunication network, which is constructed according to technicalstandards or communication methods for mobile communications (forexample, Global System for Mobile Communication (GSM), Code DivisionMulti Access (CDMA), CDMA2000(Code Division Multi Access 2000),EV-DO(Enhanced Voice-Data Optimized or Enhanced Voice-Data Only),Wideband CDMA (WCDMA), High Speed Downlink Packet access (HSDPA),HSUPA(High Speed Uplink Packet Access), Long Term Evolution (LTE),LTE-A(Long Term Evolution-Advanced), and the like). Examples of wirelesssignals transmitted and/or received via the mobile communication module112 include audio call signals, video (telephony) call signals, orvarious formats of data to support communication of text and multimediamessages.

The wireless Internet module 113 is configured to facilitate wirelessInternet access. This module may be internally or externally coupled tothe mobile terminal 100. The wireless Internet module 113 may transmitand/or receive wireless signals via communication networks according towireless Internet technologies.

Examples of such wireless Internet access include Wireless LAN (WLAN),Wireless Fidelity (Wi-Fi), Wi-Fi Direct, Digital Living Network Alliance(DLNA), Wireless Broadband (WiBro), Worldwide Interoperability forMicrowave Access (WiMAX), High Speed Downlink Packet Access (HSDPA),HSUPA(High Speed Uplink Packet Access), Long Term Evolution (LTE),LTE-A(Long Term Evolution-Advanced), and the like. The wireless Internetmodule 113 may transmit/receive data according to one or more of suchwireless Internet technologies, and other Internet technologies as well.

In some embodiments, when the wireless Internet access is implementedaccording to, for example, WiBro, HSDPA, HSUPA, GSM, CDMA, WCDMA, LTE,LTE-A and the like, as part of a mobile communication network, thewireless Internet module 113 performs such wireless Internet access. Assuch, the Internet module 113 may cooperate with, or function as, themobile communication module 112.

The short-range communication module 114 is configured to facilitateshort-range communications. Suitable technologies for implementing suchshort-range communications include BLUETOOTH™, Radio FrequencyIDentification (RFID), Infrared Data Association (IrDA), Ultra-WideBand(UWB), ZigBee, Near Field Communication (NFC), Wireless-Fidelity(Wi-Fi), Wi-Fi Direct, Wireless USB(Wireless Universal Serial Bus), andthe like. The short-range communication module 114 in general supportswireless communications between the mobile terminal 100 and a wirelesscommunication system, communications between the mobile terminal 100 andanother mobile terminal 100, or communications between the mobileterminal and a network where another mobile terminal 100 (or an externalserver) is located, via wireless area networks. One example of thewireless area networks is a wireless personal area networks.

In some embodiments, another mobile terminal (which may be configuredsimilarly to mobile terminal 100) may be a wearable device, for example,a smart watch, a smart glass or a head mounted display (HMD), which isable to exchange data with the mobile terminal 100 (or otherwisecooperate with the mobile terminal 100). The short-range communicationmodule 114 may sense or recognize the wearable device, and permitcommunication between the wearable device and the mobile terminal 100.In addition, when the sensed wearable device is a device which isauthenticated to communicate with the mobile terminal 100, thecontroller 180, for example, may cause transmission of data processed inthe mobile terminal 100 to the wearable device via the short-rangecommunication module 114. Hence, a user of the wearable device may usethe data processed in the mobile terminal 100 on the wearable device.For example, when a call is received in the mobile terminal 100, theuser may answer the call using the wearable device. Also, when a messageis received in the mobile terminal 100, the user can check the receivedmessage using the wearable device.

The location information module 115 is generally configured to detect,calculate, derive or otherwise identify a position of the mobileterminal. As an example, the location information module 115 includes aGlobal Position System (GPS) module, a Wi-Fi module, or both. Ifdesired, the location information module 115 may alternatively oradditionally function with any of the other modules of the wirelesscommunication unit 110 to obtain data related to the position of themobile terminal.

As one example, when the mobile terminal uses a GPS module, a positionof the mobile terminal may be acquired using a signal sent from a GPSsatellite. As another example, when the mobile terminal uses the Wi-Fimodule, a position of the mobile terminal can be acquired based oninformation related to a wireless access point (AP) which transmits orreceives a wireless signal to or from the Wi-Fi module.

The input unit 120 may be configured to permit various types of input tothe mobile terminal 120. Examples of such input include audio, image,video, data, and user input. Image and video input is often obtainedusing one or more cameras 121. Such cameras 121 may process image framesof still pictures or video obtained by image sensors in a video or imagecapture mode. The processed image frames can be displayed on the displayunit 151 or stored in memory 170. In some cases, the cameras 121 may bearranged in a matrix configuration to permit a plurality of imageshaving various angles or focal points to be input to the mobile terminal100. As another example, the cameras 121 may be located in astereoscopic arrangement to acquire left and right images forimplementing a stereoscopic image.

The microphone 122 is generally implemented to permit audio input to themobile terminal 100. The audio input can be processed in various mannersaccording to a function being executed in the mobile terminal 100. Ifdesired, the microphone 122 may include assorted noise removingalgorithms to remove unwanted noise generated in the course of receivingthe external audio.

The user input unit 123 is a component that permits input by a user.Such user input may enable the controller 180 to control operation ofthe mobile terminal 100. The user input unit 123 may include one or moreof a mechanical input element (for example, a key, a button located on afront and/or rear surface or a side surface of the mobile terminal 100,a dome switch, a jog wheel, a jog switch, and the like), or atouch-sensitive input, among others. As one example, the touch-sensitiveinput may be a virtual key or a soft key, which is displayed on a touchscreen through software processing, or a touch key which is located onthe mobile terminal at a location that is other than the touch screen.On the other hand, the virtual key or the visual key may be displayed onthe touch screen in various shapes, for example, graphic, text, icon,video, or a combination thereof.

The sensing unit 140 is generally configured to sense one or more ofinternal information of the mobile terminal, surrounding environmentinformation of the mobile terminal, user information, or the like. Thecontroller 180 generally cooperates with the sending unit 140 to controloperation of the mobile terminal 100 or execute data processing, afunction or an operation associated with an application programinstalled in the mobile terminal based on the sensing provided by thesensing unit 140. The sensing unit 140 may be implemented using any of avariety of sensors, some of which will now be described in more detail.

The proximity sensor 141 may include a sensor to sense presence orabsence of an object approaching a surface, or an object located near asurface, by using an electromagnetic field, infrared rays, or the likewithout a mechanical contact. The proximity sensor 141 may be arrangedat an inner region of the mobile terminal covered by the touch screen,or near the touch screen.

The proximity sensor 141, for example, may include any of a transmissivetype photoelectric sensor, a direct reflective type photoelectricsensor, a mirror reflective type photoelectric sensor, a high-frequencyoscillation proximity sensor, a capacitance type proximity sensor, amagnetic type proximity sensor, an infrared rays proximity sensor, andthe like. When the touch screen is implemented as a capacitance type,the proximity sensor 141 can sense proximity of a pointer relative tothe touch screen by changes of an electromagnetic field, which isresponsive to an approach of an object with conductivity. In this case,the touch screen (touch sensor) may also be categorized as a proximitysensor.

The term “proximity touch” will often be referred to herein to denotethe scenario in which a pointer is positioned to be proximate to thetouch screen without contacting the touch screen. The term “contacttouch” will often be referred to herein to denote the scenario in whicha pointer makes physical contact with the touch screen. For the positioncorresponding to the proximity touch of the pointer relative to thetouch screen, such position will correspond to a position where thepointer is perpendicular to the touch screen. The proximity sensor 141may sense proximity touch, and proximity touch patterns (for example,distance, direction, speed, time, position, moving status, and thelike).

In general, controller 180 processes data corresponding to proximitytouches and proximity touch patterns sensed by the proximity sensor 141,and cause output of visual information on the touch screen. In addition,the controller 180 can control the mobile terminal 100 to executedifferent operations or process different data according to whether atouch with respect to a point on the touch screen is either a proximitytouch or a contact touch.

A touch sensor can sense a touch applied to the touch screen, such asdisplay unit 151, using any of a variety of touch methods. Examples ofsuch touch methods include a resistive type, a capacitive type, aninfrared type, and a magnetic field type, among others.

As one example, the touch sensor may be configured to convert changes ofpressure applied to a specific part of the display unit 151, or convertcapacitance occurring at a specific part of the display unit 151, intoelectric input signals. The touch sensor may also be configured to sensenot only a touched position and a touched area, but also touch pressureand/or touch capacitance. A touch object is generally used to apply atouch input to the touch sensor. Examples of typical touch objectsinclude a finger, a touch pen, a stylus pen, a pointer, or the like.

When a touch input is sensed by a touch sensor, corresponding signalsmay be transmitted to a touch controller. The touch controller mayprocess the received signals, and then transmit corresponding data tothe controller 180. Accordingly, the controller 180 may sense whichregion of the display unit 151 has been touched. Here, the touchcontroller may be a component separate from the controller 180, thecontroller 180, and combinations thereof.

In some embodiments, the controller 180 may execute the same ordifferent controls according to a type of touch object that touches thetouch screen or a touch key provided in addition to the touch screen.Whether to execute the same or different control according to the objectwhich provides a touch input may be decided based on a current operatingstate of the mobile terminal 100 or a currently executed applicationprogram, for example.

The touch sensor and the proximity sensor may be implementedindividually, or in combination, to sense various types of touches. Suchtouches includes a short (or tap) touch, a long touch, a multi-touch, adrag touch, a flick touch, a pinch-in touch, a pinch-out touch, a swipetouch, a hovering touch, and the like.

If desired, an ultrasonic sensor may be implemented to recognizeposition information relating to a touch object using ultrasonic waves.The controller 180, for example, may calculate a position of a wavegeneration source based on information sensed by an illumination sensorand a plurality of ultrasonic sensors. Since light is much faster thanultrasonic waves, the time for which the light reaches the opticalsensor is much shorter than the time for which the ultrasonic wavereaches the ultrasonic sensor. The position of the wave generationsource may be calculated using this fact. For instance, the position ofthe wave generation source may be calculated using the time differencefrom the time that the ultrasonic wave reaches the sensor based on thelight as a reference signal.

The camera 121 typically includes at least one a camera sensor (CCD,CMOS etc.), a photo sensor (or image sensors), and a laser sensor.

Implementing the camera 121 with a laser sensor may allow detection of atouch of a physical object with respect to a 3D stereoscopic image. Thephoto sensor may be laminated on, or overlapped with, the displaydevice. The photo sensor may be configured to scan movement of thephysical object in proximity to the touch screen. In more detail, thephoto sensor may include photo diodes and transistors at rows andcolumns to scan content received at the photo sensor using an electricalsignal which changes according to the quantity of applied light. Namely,the photo sensor may calculate the coordinates of the physical objectaccording to variation of light to thus obtain position information ofthe physical object.

The display unit 151 is generally configured to output informationprocessed in the mobile terminal 100. For example, the display unit 151may display execution screen information of an application programexecuting at the mobile terminal 100 or user interface (UI) and graphicuser interface (GUI) information in response to the execution screeninformation.

In some embodiments, the display unit 151 may be implemented as astereoscopic display unit for displaying stereoscopic images. A typicalstereoscopic display unit may employ a stereoscopic display scheme suchas a stereoscopic scheme (a glass scheme), an auto-stereoscopic scheme(glassless scheme), a projection scheme (holographic scheme), or thelike.

In general, a 3D stereoscopic image may include a left image (e.g., aleft eye image) and a right image (e.g., a right eye image). Accordingto how left and right images are combined into a 3D stereoscopic image,a 3D stereoscopic imaging method can be divided into a top-down methodin which left and right images are located up and down in a frame, anL-to-R (left-to-right or side by side) method in which left and rightimages are located left and right in a frame, a checker board method inwhich fragments of left and right images are located in a tile form, aninterlaced method in which left and right images are alternately locatedby columns or rows, and a time sequential (or frame by frame) method inwhich left and right images are alternately displayed on a time basis.

Also, as for a 3D thumbnail image, a left image thumbnail and a rightimage thumbnail can be generated from a left image and a right image ofan original image frame, respectively, and then combined to generate asingle 3D thumbnail image. In general, the term “thumbnail” may be usedto refer to a reduced image or a reduced still image. A generated leftimage thumbnail and right image thumbnail may be displayed with ahorizontal distance difference there between by a depth corresponding tothe disparity between the left image and the right image on the screen,thereby providing a stereoscopic space sense.

A left image and a right image required for implementing a 3Dstereoscopic image may be displayed on the stereoscopic display unitusing a stereoscopic processing unit. The stereoscopic processing unitcan receive the 3D image and extract the left image and the right image,or can receive the 2D image and change it into a left image and a rightimage.

The audio output module 152 is generally configured to output audiodata. Such audio data may be obtained from any of a number of differentsources, such that the audio data may be received from the wirelesscommunication unit 110 or may have been stored in the memory 170. Theaudio data may be output during modes such as a signal reception mode, acall mode, a record mode, a voice recognition mode, a broadcastreception mode, and the like. The audio output module 152 can provideaudible output related to a particular function (e.g., a call signalreception sound, a message reception sound, etc.) performed by themobile terminal 100. The audio output module 152 may also be implementedas a receiver, a speaker, a buzzer, or the like.

A haptic module 153 can be configured to generate various tactileeffects that a user feels, perceive, or otherwise experience. A typicalexample of a tactile effect generated by the haptic module 153 isvibration. The strength, pattern and the like of the vibration generatedby the haptic module 153 can be controlled by user selection or settingby the controller. For example, the haptic module 153 may outputdifferent vibrations in a combining manner or a sequential manner.

Besides vibration, the haptic module 153 can generate various othertactile effects, including an effect by stimulation such as a pinarrangement vertically moving to contact skin, a spray force or suctionforce of air through a jet orifice or a suction opening, a touch to theskin, a contact of an electrode, electrostatic force, an effect byreproducing the sense of cold and warmth using an element that canabsorb or generate heat, and the like.

The haptic module 153 can also be implemented to allow the user to feela tactile effect through a muscle sensation such as the user's fingersor arm, as well as transferring the tactile effect through directcontact. Two or more haptic modules 153 may be provided according to theparticular configuration of the mobile terminal 100.

An optical output module 154 can output a signal for indicating an eventgeneration using light of a light source. Examples of events generatedin the mobile terminal 100 may include message reception, call signalreception, a missed call, an alarm, a schedule notice, an emailreception, information reception through an application, and the like.

A signal output by the optical output module 154 may be implemented insuch a manner that the mobile terminal emits monochromatic light orlight with a plurality of colors. The signal output may be terminated asthe mobile terminal senses that a user has checked the generated event,for example.

The interface unit 160 serves as an interface for external devices to beconnected with the mobile terminal 100. For example, the interface unit160 can receive data transmitted from an external device, receive powerto transfer to elements and components within the mobile terminal 100,or transmit internal data of the mobile terminal 100 to such externaldevice. The interface unit 160 may include wired or wireless headsetports, external power supply ports, wired or wireless data ports, memorycard ports, ports for connecting a device having an identificationmodule, audio input/output (I/O) ports, video I/O ports, earphone ports,or the like.

The identification module may be a chip that stores various informationfor authenticating authority of using the mobile terminal 100 and mayinclude a user identity module (UIM), a subscriber identity module(SIM), a universal subscriber identity module (USIM), and the like. Inaddition, the device having the identification module (also referred toherein as an “identifying device”) may take the form of a smart card.Accordingly, the identifying device can be connected with the terminal100 via the interface unit 160.

When the mobile terminal 100 is connected with an external cradle, theinterface unit 160 can serve as a passage to allow power from the cradleto be supplied to the mobile terminal 100 or may serve as a passage toallow various command signals input by the user from the cradle to betransferred to the mobile terminal there through. Various commandsignals or power input from the cradle may operate as signals forrecognizing that the mobile terminal is properly mounted on the cradle.

The memory 170 can store programs to support operations of thecontroller 180 and store input/output data (for example, phonebook,messages, still images, videos, etc.). The memory 170 may store datarelated to various patterns of vibrations and audio which are output inresponse to touch inputs on the touch screen.

The memory 170 may include one or more types of storage mediumsincluding a Flash memory, a hard disk, a solid state disk, a silicondisk, a multimedia card micro type, a card-type memory (e.g., SD or DXmemory, etc.), a Random Access Memory (RAM), a Static Random AccessMemory (SRAM), a Read-Only Memory (ROM), an Electrically ErasableProgrammable Read-Only Memory (EEPROM), a Programmable Read-Only memory(PROM), a magnetic memory, a magnetic disk, an optical disk, and thelike. The mobile terminal 100 may also be operated in relation to anetwork storage device that performs the storage function of the memory170 over a network, such as the Internet.

The controller 180 may typically control the general operations of themobile terminal 100. For example, the controller 180 may set or releasea lock state for restricting a user from inputting a control commandwith respect to applications when a status of the mobile terminal meetsa preset condition.

The controller 180 can also perform the controlling and processingassociated with voice calls, data communications, video calls, and thelike, or perform pattern recognition processing to recognize ahandwriting input or a picture drawing input performed on the touchscreen as characters or images, respectively. In addition, thecontroller 180 can control one or a combination of those components inorder to implement various exemplary embodiments disclosed herein.

The power supply unit 190 receives external power or provide internalpower and supply the appropriate power required for operating respectiveelements and components included in the mobile terminal 100. The powersupply unit 190 may include a battery, which is typically rechargeableor be detachably coupled to the terminal body for charging.

The power supply unit 190 may include a connection port. The connectionport may be configured as one example of the interface unit 160 to whichan external charger for supplying power to recharge the battery iselectrically connected.

As another example, the power supply unit 190 may be configured torecharge the battery in a wireless manner without use of the connectionport. In this example, the power supply unit 190 can receive power,transferred from an external wireless power transmitter, using at leastone of an inductive coupling method which is based on magnetic inductionor a magnetic resonance coupling method which is based onelectromagnetic resonance.

Various embodiments described herein may be implemented in acomputer-readable medium, a machine-readable medium, or similar mediumusing, for example, software, hardware, or any combination thereof.

Referring now to FIGS. 1B and 1C, the mobile terminal 100 is describedwith reference to a bar-type terminal body. However, the mobile terminal100 may alternatively be implemented in any of a variety of differentconfigurations. Examples of such configurations include watch-type,clip-type, glasses-type, or as a folder-type, flip-type, slide-type,swing-type, and swivel-type in which two and more bodies are combinedwith each other in a relatively movable manner, and combinationsthereof. Discussion herein will often relate to a particular type ofmobile terminal (for example, bar-type, watch-type, glasses-type, andthe like). However, such teachings with regard to a particular type ofmobile terminal will generally apply to other types of mobile terminalsas well.

The mobile terminal 100 will generally include a case (for example,frame, housing, cover, and the like) forming the appearance of theterminal. In this embodiment, the case is formed using a front case 101and a rear case 102. Various electronic components are incorporated intoa space formed between the front case 101 and the rear case 102. Atleast one middle case may be additionally positioned between the frontcase 101 and the rear case 102.

The display unit 151 is shown located on the front side of the terminalbody to output information. As illustrated, a window 151 a of thedisplay unit 151 may be mounted to the front case 101 to form the frontsurface of the terminal body together with the front case 101.

In some embodiments, electronic components may also be mounted to therear case 102. Examples of such electronic components include adetachable battery 191, an identification module, a memory card, and thelike. Rear cover 103 is shown covering the electronic components, andthis cover may be detachably coupled to the rear case 102. Therefore,when the rear cover 103 is detached from the rear case 102, theelectronic components mounted to the rear case 102 are externallyexposed.

As illustrated, when the rear cover 103 is coupled to the rear case 102,a side surface of the rear case 102 is partially exposed. In some cases,upon the coupling, the rear case 102 may also be completely shielded bythe rear cover 103. In some embodiments, the rear cover 103 may includean opening for externally exposing a camera 121 b or an audio outputmodule 152 b.

The cases 101, 102, 103 may be formed by injection-molding syntheticresin or may be formed of a metal, for example, stainless steel (STS),aluminum (Al), titanium (Ti), or the like.

As an alternative to the example in which the plurality of cases form aninner space for accommodating components, the mobile terminal 100 may beconfigured such that one case forms the inner space. In this example, amobile terminal 100 having a uni-body is formed in such a manner thatsynthetic resin or metal extends from a side surface to a rear surface.

If desired, the mobile terminal 100 may include a waterproofing unit(not shown) for preventing introduction of water into the terminal body.For example, the waterproofing unit may include a waterproofing memberwhich is located between the window 151 a and the front case 101,between the front case 101 and the rear case 102, or between the rearcase 102 and the rear cover 103, to hermetically seal an inner spacewhen those cases are coupled.

FIGS. 1B and 1C depict certain components as arranged on the mobileterminal. However, it is to be understood that alternative arrangementsare possible and within the teachings of the instant disclosure. Somecomponents may be omitted or rearranged. For example, the firstmanipulation unit 123 a may be located on another surface of theterminal body, and the second audio output module 152 b may be locatedon the side surface of the terminal body.

The display unit 151 outputs information processed in the mobileterminal 100. The display unit 151 may be implemented using one or moresuitable display devices. Examples of such suitable display devicesinclude a liquid crystal display (LCD), a thin film transistor-liquidcrystal display (TFT-LCD), an organic light emitting diode (OLED), aflexible display, a 3-dimensional (3D) display, an e-ink display, andcombinations thereof.

The display unit 151 may be implemented using two display devices, whichcan implement the same or different display technology. For instance, aplurality of the display units 151 may be arranged on one side, eitherspaced apart from each other, or these devices may be integrated, orthese devices may be arranged on different surfaces.

The display unit 151 may also include a touch sensor which senses atouch input received at the display unit. When a touch is input to thedisplay unit 151, the touch sensor may be configured to sense this touchand the controller 180, for example, may generate a control command orother signal corresponding to the touch. The content which is input inthe touching manner may be a text or numerical value, or a menu itemwhich can be indicated or designated in various modes.

The touch sensor may be configured in a form of a film having a touchpattern, disposed between the window 151 a and a display on a rearsurface of the window 151 a, or a metal wire which is patterned directlyon the rear surface of the window 151 a. Alternatively, the touch sensormay be integrally formed with the display. For example, the touch sensormay be disposed on a substrate of the display or within the display.

The display unit 151 may also form a touch screen together with thetouch sensor. Here, the touch screen may serve as the user input unit123 (see FIG. 1A). Therefore, the touch screen may replace at least someof the functions of the first manipulation unit 123 a.

The first audio output module 152 a may be implemented in the form of aspeaker to output voice audio, alarm sounds, multimedia audioreproduction, and the like.

The window 151 a of the display unit 151 will typically include anaperture to permit audio generated by the first audio output module 152a to pass. One alternative is to allow audio to be released along anassembly gap between the structural bodies (for example, a gap betweenthe window 151 a and the front case 101). In this case, a holeindependently formed to output audio sounds may not be seen or isotherwise hidden in terms of appearance, thereby further simplifying theappearance and manufacturing of the mobile terminal 100.

The optical output module 154 can be configured to output light forindicating an event generation. Examples of such events include amessage reception, a call signal reception, a missed call, an alarm, aschedule notice, an email reception, information reception through anapplication, and the like. When a user has checked a generated event,the controller can control the optical output unit 154 to stop the lightoutput.

The first camera 121 a can process image frames such as still or movingimages obtained by the image sensor in a capture mode or a video callmode. The processed image frames can then be displayed on the displayunit 151 or stored in the memory 170.

The first and second manipulation units 123 a and 123 b are examples ofthe user input unit 123, which may be manipulated by a user to provideinput to the mobile terminal 100. The first and second manipulationunits 123 a and 123 b may also be commonly referred to as a manipulatingportion, and may employ any tactile method that allows the user toperform manipulation such as touch, push, scroll, or the like. The firstand second manipulation units 123 a and 123 b may also employ anynon-tactile method that allows the user to perform manipulation such asproximity touch, hovering, or the like.

FIG. 1B illustrates the first manipulation unit 123 a as a touch key,but possible alternatives include a mechanical key, a push key, a touchkey, and combinations thereof.

Input received at the first and second manipulation units 123 a and 123b may be used in various ways. For example, the first manipulation unit123 a may be used by the user to provide an input to a menu, home key,cancel, search, or the like, and the second manipulation unit 123 b maybe used by the user to provide an input to control a volume level beingoutput from the first or second audio output modules 152 a or 152 b, toswitch to a touch recognition mode of the display unit 151, or the like.

As another example of the user input unit 123, a rear input unit (notshown) may be located on the rear surface of the terminal body. The rearinput unit can be manipulated by a user to provide input to the mobileterminal 100. The input may be used in a variety of different ways. Forexample, the rear input unit may be used by the user to provide an inputfor power on/off, start, end, scroll, control volume level being outputfrom the first or second audio output modules 152 a or 152 b, switch toa touch recognition mode of the display unit 151, and the like. The rearinput unit may be configured to permit touch input, a push input, orcombinations thereof.

The rear input unit may be located to overlap the display unit 151 ofthe front side in a thickness direction of the terminal body. As oneexample, the rear input unit may be located on an upper end portion ofthe rear side of the terminal body such that a user can easilymanipulate it using a forefinger when the user grabs the terminal bodywith one hand. Alternatively, the rear input unit can be positioned atmost any location of the rear side of the terminal body.

Embodiments that include the rear input unit may implement some or allof the functionality of the first manipulation unit 123 a in the rearinput unit. As such, in situations where the first manipulation unit 123a is omitted from the front side, the display unit 151 can have a largerscreen.

As a further alternative, the mobile terminal 100 may include a fingerscan sensor which scans a user's fingerprint. The controller 180 canthen use fingerprint information sensed by the finger scan sensor aspart of an authentication procedure. The finger scan sensor may also beinstalled in the display unit 151 or implemented in the user input unit123.

The microphone 122 is shown located at an end of the mobile terminal100, but other locations are possible. If desired, multiple microphonesmay be implemented, with such an arrangement permitting the receiving ofstereo sounds.

The interface unit 160 may serve as a path allowing the mobile terminal100 to interface with external devices. For example, the interface unit160 may include one or more of a connection terminal for connecting toanother device (for example, an earphone, an external speaker, or thelike), a port for near field communication (for example, an InfraredData Association (IrDA) port, a Bluetooth port, a wireless LAN port, andthe like), or a power supply terminal for supplying power to the mobileterminal 100. The interface unit 160 may be implemented in the form of asocket for accommodating an external card, such as SubscriberIdentification Module (SIM), User Identity Module (UIM), or a memorycard for information storage.

The second camera 121 b is shown located at the rear side of theterminal body and includes an image capturing direction that issubstantially opposite to the image capturing direction of the firstcamera unit 121 a. If desired, second camera 121 a may alternatively belocated at other locations, or made to be moveable, in order to have adifferent image capturing direction from that which is shown.

The second camera 121 b can include a plurality of lenses arranged alongat least one line. The plurality of lenses may also be arranged in amatrix configuration. The cameras may be referred to as an “arraycamera.” When the second camera 121 b is implemented as an array camera,images may be captured in various manners using the plurality of lensesand images with better qualities.

As shown in FIG. 1C, a flash 124 is shown adjacent to the second camera121 b. When an image of a subject is captured with the camera 121 b, theflash 124 may illuminate the subject.

As shown in FIG. 1B, the second audio output module 152 b can be locatedon the terminal body. The second audio output module 152 b may implementstereophonic sound functions in conjunction with the first audio outputmodule 152 a, and may be also used for implementing a speaker phone modefor call communication.

At least one antenna for wireless communication may be located on theterminal body. The antenna may be installed in the terminal body orformed by the case. For example, an antenna which configures a part ofthe broadcast receiving module 111 may be retractable into the terminalbody. Alternatively, an antenna may be formed using a film attached toan inner surface of the rear cover 103, or a case that includes aconductive material.

A power supply unit 190 for supplying power to the mobile terminal 100may include a battery 191, which is mounted in the terminal body ordetachably coupled to an outside of the terminal body. The battery 191may receive power via a power source cable connected to the interfaceunit 160. Also, the battery 191 can be recharged in a wireless mannerusing a wireless charger. Wireless charging may be implemented bymagnetic induction or electromagnetic resonance.

The rear cover 103 is shown coupled to the rear case 102 for shieldingthe battery 191, to prevent separation of the battery 191, and toprotect the battery 191 from an external impact or from foreignmaterial. When the battery 191 is detachable from the terminal body, therear case 103 may be detachably coupled to the rear case 102.

An accessory for protecting an appearance or assisting or extending thefunctions of the mobile terminal 100 can also be provided on the mobileterminal 100. As one example of an accessory, a cover or pouch forcovering or accommodating at least one surface of the mobile terminal100 may be provided. The cover or pouch may cooperate with the displayunit 151 to extend the function of the mobile terminal 100. Anotherexample of the accessory is a touch pen for assisting or extending atouch input to a touch screen.

FIG. 2 is a conceptual view of a deformable mobile terminal according toan alternative embodiment of the present invention. In this figure,mobile terminal 200 is shown having display unit 251, which is a type ofdisplay that is deformable by an external force. This deformation, whichincludes display unit 251 and other components of mobile terminal 200,may include any of curving, bending, folding, twisting, rolling, andcombinations thereof. The deformable display unit 251 may also bereferred to as a “flexible display unit.” In some implementations, theflexible display unit 251 may include a general flexible display,electronic paper (also known as e-paper), and combinations thereof. Ingeneral, mobile terminal 200 may be configured to include features thatare the same or similar to that of mobile terminal 100 of FIGS. 1A-1C.

The flexible display of mobile terminal 200 is generally formed as alightweight, non-fragile display, which still exhibits characteristicsof a conventional flat panel display, but is instead fabricated on aflexible substrate which can be deformed as noted previously.

The term e-paper may be used to refer to a display technology employingthe characteristic of a general ink, and is different from theconventional flat panel display in view of using reflected light.E-paper is generally understood as changing displayed information usinga twist ball or via electrophoresis using a capsule.

When in a state that the flexible display unit 251 is not deformed (forexample, in a state with an infinite radius of curvature and referred toas a first state), a display region of the flexible display unit 251includes a generally flat surface. When in a state that the flexibledisplay unit 251 is deformed from the first state by an external force(for example, a state with a finite radius of curvature and referred toas a second state), the display region may become a curved surface or abent surface. As illustrated, information displayed in the second statemay be visual information output on the curved surface. The visualinformation may be realized in such a manner that a light emission ofeach unit pixel (sub-pixel) arranged in a matrix configuration iscontrolled independently. The unit pixel denotes an elementary unit forrepresenting one color.

According to one alternative embodiment, the first state of the flexibledisplay unit 251 may be a curved state (for example, a state of beingcurved from up to down or from right to left), instead of being in flatstate. In this embodiment, when an external force is applied to theflexible display unit 251, the flexible display unit 251 may transitionto the second state such that the flexible display unit is deformed intothe flat state(or a less curved state) or into a more curved state.

If desired, the flexible display unit 251 may implement a flexible touchscreen using a touch sensor in combination with the display. When atouch is received at the flexible touch screen, the controller 180 canexecute certain control corresponding to the touch input. In general,the flexible touch screen is configured to sense touch and other inputwhile in both the first and second states.

One option is to configure the mobile terminal 200 to include adeformation sensor which senses the deforming of the flexible displayunit 251. The deformation sensor may be included in the sensing unit140.

The deformation sensor may be located in the flexible display unit 251or the case 201 to sense information related to the deforming of theflexible display unit 251. Examples of such information related to thedeforming of the flexible display unit 251 may be a deformed direction,a deformed degree, a deformed position, a deformed amount of time, anacceleration that the deformed flexible display unit 251 is restored,and the like. Other possibilities include most any type of informationwhich can be sensed in response to the curving of the flexible displayunit or sensed while the flexible display unit 251 is transitioninginto, or existing in, the first and second states.

In some embodiments, controller 180 or other component can changeinformation displayed on the flexible display unit 251, or generate acontrol signal for controlling a function of the mobile terminal 200,based on the information related to the deforming of the flexibledisplay unit 251. Such information is typically sensed by thedeformation sensor.

The mobile terminal 200 is shown having a case 201 for accommodating theflexible display unit 251. The case 201 can be deformable together withthe flexible display unit 251, taking into account the characteristicsof the flexible display unit 251.

A battery (not shown in this figure) located in the mobile terminal 200may also be deformable in cooperation with the flexible display unit261, taking into account the characteristic of the flexible display unit251. One technique to implement such a battery is to use a stack andfolding method of stacking battery cells.

The deformation of the flexible display unit 251 not limited to performby an external force. For example, the flexible display unit 251 can bedeformed into the second state from the first state by a user command,application command, or the like.

In accordance with still further embodiments, a mobile terminal may beconfigured as a device which is wearable on a human body. Such devicesgo beyond the usual technique of a user grasping the mobile terminalusing their hand. Examples of the wearable device include a smart watch,a smart glass, a head mounted display (HMD), and the like.

A typical wearable device can exchange data with (or cooperate with)another mobile terminal 100. In such a device, the wearable devicegenerally has functionality that is less than the cooperating mobileterminal. For instance, the short-range communication module 114 of amobile terminal 100 may sense or recognize a wearable device that isnear-enough to communicate with the mobile terminal. In addition, whenthe sensed wearable device is a device which is authenticated tocommunicate with the mobile terminal 100, the controller 180 maytransmit data processed in the mobile terminal 100 to the wearabledevice via the short-range communication module 114, for example. Hence,a user of the wearable device can use the data processed in the mobileterminal 100 on the wearable device. For example, when a call isreceived in the mobile terminal 100, the user can answer the call usingthe wearable device. Also, when a message is received in the mobileterminal 100, the user can check the received message using the wearabledevice.

FIG. 3 is a perspective view illustrating one example of a watch-typemobile terminal 300 in accordance with another exemplary embodiment. Asillustrated in FIG. 3, the watch-type mobile terminal 300 includes amain body 301 with a display unit 351 and a band 302 connected to themain body 301 to be wearable on a wrist. In general, mobile terminal 300may be configured to include features that are the same or similar tothat of mobile terminal 100 of FIGS. 1A-1C.

The main body 301 may include a case having a certain appearance. Asillustrated, the case may include a first case 301 a and a second case301 b cooperatively defining an inner space for accommodating variouselectronic components. Other configurations are possible. For instance,a single case may alternatively be implemented, with such a case beingconfigured to define the inner space, thereby implementing a mobileterminal 300 with a uni-body.

The watch-type mobile terminal 300 can perform wireless communication,and an antenna for the wireless communication can be installed in themain body 301. The antenna may extend its function using the case. Forexample, a case including a conductive material may be electricallyconnected to the antenna to extend a ground area or a radiation area.

The display unit 351 is shown located at the front side of the main body301 so that displayed information is viewable to a user. In someembodiments, the display unit 351 includes a touch sensor so that thedisplay unit can function as a touch screen. As illustrated, window 351a is positioned on the first case 301 a to form a front surface of theterminal body together with the first case 301 a.

The illustrated embodiment includes audio output module 352, a camera321, a microphone 322, and a user input unit 323 positioned on the mainbody 301. When the display unit 351 is implemented as a touch screen,additional function keys may be minimized or eliminated. For example,when the touch screen is implemented, the user input unit 323 may beomitted.

The band 302 is commonly worn on the user's wrist and may be made of aflexible material for facilitating wearing of the device. As oneexample, the band 302 may be made of fur, rubber, silicon, syntheticresin, or the like. The band 302 may also be configured to be detachablefrom the main body 301. Accordingly, the band 302 may be replaceablewith various types of bands according to a user's preference.

In one configuration, the band 302 may be used for extending theperformance of the antenna. For example, the band may include therein aground extending portion (not shown) electrically connected to theantenna to extend a ground area.

The band 302 may include fastener 302 a. The fastener 302 a may beimplemented into a buckle type, a snap-fit hook structure, a Velcro®type, or the like, and include a flexible section or material. Thedrawing illustrates an example that the fastener 302 a is implementedusing a buckle.

FIG. 4 is a perspective diagram of a mobile terminal including a mainbattery and a backup battery according to one embodiment of the presentinvention.

FIG. 4 is a perspective diagram to illustrate a rear side of a mobileterminal 400 from which a rear case is removed. Referring to FIG. 4, amobile terminal 400 may include a main board 410, a main battery 420 anda replacement module 430.

The main board 410 may include a first camera 411, a second camera 412and a backup battery 440.

In this case, the first and second cameras 411 and 412 may be embodiedin the former cameras 121 a and 121 b shown in FIGS. 1A to 1C. AlthoughFIG. 4 shows that two cameras are provided to a rear side of the mobileterminal 400 for example, at least one or more cameras can be providedto the mobile terminal 400.

The backup battery 440 may correspond to a battery built in the mainboard 410. The backup battery 440 is defaulted as built in the mainboard 410 but can be separated or detached by a user. The backup battery440 is charged while built in the main board 410 and can be also chargedin a manner of being separated from the main board 410 by a user. Whilethe mobile terminal 400 is being charged, the backup battery 440 can becharged by having precedence over the main battery 420.

According to one embodiment of the present invention, since the backupbattery 440 is built in the main board 410, although the main battery420 is separated from the mobile terminal 400, the backup battery 440can supply a power to the mobile terminal 400. And, the backup battery440 400 can be embodied in the former battery 191 shown in FIG. 1C.

The main battery 420 can be detachably attached to the replacementmodule 430. For instance, in order to charge the main battery 420, auser separates the replacement module 430 from the mobile terminal 400in the first place and is then able to separate the main battery 420from the replacement module 430. Moreover, after the user has loaded thecharged main battery 420 into the replacement module 430, the user canload the replacement module 430 into the mobile terminal 400. And, themain battery 430 may be embodied in the former battery 191 shown in FIG.1C.

In order to facilitate the main battery 420 to be loaded/unloaded foruser's convenience, the replacement module 430 can be provided to abottom end of the mobile terminal 400. And, the replacement module 430can be configured to enable the main battery 420 to be detachablyloaded. Moreover, the replacement module 430 may have a circuitconfigured to transceive electronic signals with the main board 410.

In the following description, embodiments related to a controllingmethod implementable in the above-configured mobile terminal shall bedescribed with reference to the accompanying drawings. It will beappreciated by those skilled in the art that the present invention canbe specified into other form(s) without departing from the spirit orscope of the inventions.

In the following description, embodiments of the present invention aredescribed in detail with reference to FIGS. 5 to FIG. 22. In describingand understanding embodiments of the present invention, the formerdescription with reference to FIGS. 1 to 4 can be referred to. Moreover,the above-mentioned mobile terminal may include a mobile terminalaccording to one embodiment of the present invention. Namely, a mobileterminal according to one embodiment of the present invention or anexternal terminal can be embodied into one of the mobile terminals 100,200, 300 and 400 shown in FIGS. 1 to 4. Particularly, a mobile terminalaccording to one embodiment of the present invention can be assumed asincluding the detachable-type battery shown in FIG. 4.

FIG. 5 is a block diagram to describe configuration modules of a mobileterminal according to one embodiment of the present invention.

Referring to FIG. 5, a mobile terminal according to one embodiment ofthe present invention may include a battery unit 510, a sensing unit520, an input unit 530, a display unit 540, a wireless communicationunit 550 and a controller 560.

The battery unit 510 may include a main battery and a backup battery. Inthis case, the main battery and the backup battery may be embodied inthe former main battery 420 and the former backup battery 440 shown inFIG. 4. According to one embodiment of the present invention, the mobileterminal can determine whether a battery swap mode is entered. In doingso, the battery swap mode may include a state that the main battery isseparated or detached from the mobile terminal. And, according to oneembodiment of the present invention, the mobile terminal can sense aresidual quantity of the backup battery and is able to determine acontent operating mode based on the sensed residual quantity of thebackup battery.

The sensing unit 520 senses use's various inputs to the mobile terminaland an environment of the mobile terminal and then delivers a sensingresult to enable to controller 560 to perform a corresponding operation.According to the present invention, the sensing unit 520 is provided tothe display unit 540 so as to be embodied in a touchscreen. According tothe present invention, the sensing unit 520 can be embodied in thesensing unit 140 shown in FIG. 1A or the sensing unit 340 shown in FIG.3B. According to one embodiment of the present invention, the sensingunit 520 can sense a residual quantity of each of the main battery andthe backup battery. According to one embodiment of the presentinvention, the sensing unit 520 can sense input signals for launchingvarious contents such as a video shooting, an audio recording, a videoplay, a music play and the like.

The input unit 530 may include a camera 531 and a microphone 532.

The camera 531 can process or handle an image frame of a still image, avideo or the like obtained by an image sensor. According to the presentinvention, the camera 531 can be embodied in each of the cameras 121,121 a and 121 b shown in FIGS. 1A to 1C. According to one embodiment ofthe present invention, the camera 531 can take a video.

The microphone 532 can process an external audio or sound signal into anelectrical audio data. According to the present invention, themicrophone 532 can be embodied in the microphone 122 shown in FIG. 1A orthe microphone 322 shown in FIG. 3A. According to one embodiment of thepresent invention, the microphone 532 can sense an audio or voice input.

The display unit 540 can display visual information. In this case, thevisual information may include text, indicator, icon, content,application, image, video and the like. The display unit 540 can outputvisual information to a screen based on a control command of thecontroller 550. According to the present invention, the display unit 540can be embodied in the display 151 shown in FIG. 1A or the display unit540 shown in FIG. 3A. According to one embodiment of the presentinvention, the display unit 540 can output minimum information forlaunching or operating a currently run content in response to a contentoperating mode only.

The wireless communication unit 550 performs a communication usingvarious protocols between a mobile terminal and an external device andis able to transmit/receive data signals. According to the presentinvention, the wireless communication unit 550 may be embodied in thewireless communication unit 110 shown in FIG. 1A. In particular, themobile terminal can transceive data with an external terminal throughthe wireless communication unit 550 using one of the broadcast receivingmodule 111, the mobile communication module 112, the wireless internetmodule 113 and the short range communication module 114. According toone embodiment of the present invention, the wireless communication unit550 can transmit a control signal, which controls the external terminalto run a content currently run in the mobile terminal in response to acontent operating mode, to the external terminal. Moreover, in thefollowing description, it is able to assume a state that the mobileterminal and the external terminal are paired with each other.

The controller 560 processes data, controls the aforementionedrespective units of the mobile terminal, and controls datatransmissions/receptions among the units. According to the presentinvention, the controller 560 can be embodied in the controller 180shown in FIG. 1A.

According to one embodiment of the present invention, operationsperformed by the mobile terminal can be controlled by the controller560. Yet, for clarity of the following description, such operations aredescribed as performed/controlled by the mobile terminal in general.

FIG. 6 is a diagram to describe one example of entering a battery swapmode according to one embodiment of the present invention.

Referring to a first diagram of FIG. 6, a mobile terminal can sense afirst input signal. In this case, the first input signal may correspondto a long touch input signal of long pressing a power button.

Referring to a second diagram of FIG. 6, as the mobile terminal receivesthe first input signal, it is able to output a power option on a displayunit. In this case, the power option may include a power off, a restart,an airplane mode, and a battery swap mode. According to one embodimentof the present invention, the mobile terminal can sense a second inputsignal of selecting the battery swap mode.

Referring to a third diagram of FIG. 6, as the mobile terminal sense thesecond input signal, it is able to output a popup window for indicatingthe battery swap mode on the display unit. In this case, the popupwindow may further include an icon for selecting whether to launch thebattery swap mode. According to one embodiment of the present invention,the mobile terminal can sense a third input signal of selecting the iconof launching the battery swap mode.

Referring to fourth and fifth diagrams of FIG. 6, as the mobile terminalsenses the third input signal, it is able to enter the battery swapmode. In case of entering the battery swap mode, the mobile terminal canchange the display unit into a deactivated state. In this case, thedeactivated state may include a black-out state in which the displayunit outputs nothing.

According to one embodiment of the present invention, in case ofentering the battery swap mode, the mobile terminal can count and outputa swappable time of the battery swap mode. In this case, the swappabletime of the battery swap mode can be determined based on a capacity of abackup battery built in the mobile terminal. For instance, the swappabletime of the battery swap mode may be 60 seconds. In this case, themobile terminal can output the swappable time in a manner of counting 60seconds from a timing of entering the battery swap mode. In doing so,since the display unit is in the deactivated state, the mobile terminalcan output the swappable time of the battery swap mode to a sub-displayunit or a top end region (e.g., a status bar) of the display unit.

FIG. 7 is a diagram to describe one example of entering a battery swapmode according to another embodiment of the present invention.

First and second diagrams of FIG. 7 may correspond to the first andsecond diagrams of FIG. 6. Referring to the second diagram of FIG. 7, amobile terminal can sense a second input signal of selecting a batteryswap mode.

Referring to a third diagram of FIG. 7, if the mobile terminal sensesthe second input signal of selecting the battery swap mode, it is ableto sense a residual quantity of a backup battery. Unlike FIG. 6, if thesensed residual quantity of the backup battery is not enough to use thebattery swap mode, the mobile terminal can output a popup window forindicating that the battery swap mode cannot be launched. Hence,although the mobile terminal senses the second input signal, it may notenter the battery swap mode.

FIG. 8 is a diagram to describe one example of cancelling a battery swapmode according to one embodiment of the present invention. In thefollowing description of an embodiment with reference to FIG. 8,description redundant with the former description with reference to FIG.6 or FIG. 7 shall be omitted.

FIG. 8(a) may correspond to the fifth diagram of FIG. 6. Referring toFIG. 8(a), a mobile terminal enters a battery swap mode and is then ableto switch a display unit to a deactivated state. While the display unitis in the deactivated state, the mobile terminal can count and output aswappable time of the battery swap mode. And, the mobile terminal mayfurther output an indicator for ending the battery swap mode.

According to one embodiment of the present invention, if the mobileterminal senses a first input signal of selecting the indicator forending the battery swap mode, it is able to perform an example shown inFIG. 8(b) or FIG. 8(c) depending on whether a main battery is loaded.FIG. 8(b) is a diagram to describe a state that the main battery isloaded into the mobile terminal in case that the mobile terminal sensesthe first input signal. FIG. 8(c) is a diagram to describe a case thatthe main battery is not loaded into the mobile terminal in case that themobile terminal senses the first input signal.

Referring to FIG. 8(b), in case of sensing the first input signal, themobile terminal can output a previous screen to a display unit. In thiscase, the previous screen may correspond to a screen outputted rightbefore the battery swap mode is entered. If the mobile terminal sensesthe first input signal, it is able to output a popup window forindicating that the previous screen will be outputted to the displayunit.

Referring to FIG. 8(c), in case of sensing the first input signal, themobile terminal can turn off a power of the mobile terminal. Inparticular, while the main battery is not loaded into the mobileterminal, if the mobile terminal senses an input signal of ending thebattery swap mode, the mobile terminal can turn off the power of itsown.

FIG. 9 is a diagram to describe one example of ending a battery swapmode according to one embodiment of the present invention. In thefollowing description of an embodiment with reference to FIG. 9,description redundant with the former description with reference toFIGS. 6 to 8 shall be omitted.

FIG. 9(a) may correspond to the fifth diagram of FIG. 6. If a mobileterminal enters a battery swap mode, it is able to count and output aswappable time of the battery swap mode. FIG. 9(b) and FIG. 9(c) arediagrams to describe a case that the swappable time has expired. In thefollowing description, a case that the swappable time of the batteryswap mode is 60 seconds is described by being taken as one example.First of all, if 60 seconds expires since entering the battery swapmode, the mobile terminal can perform the embodiment shown in FIG. 9(b)or FIG. 9(c) depending on whether a main battery is loaded. FIG. 9(b) isa diagram to describe a case that the main battery is loaded into themobile terminal if the swappable time expires. FIG. 9(c) is a diagram todescribe a case that the main battery is not loaded into the mobileterminal if the swappable time expires.

Referring to FIG. 9(b), if the swappable time of the battery swap modeexpires, the mobile terminal can output a previous screen to a displayunit. Moreover, if the swappable time of the battery swap mode expires,the mobile terminal is able to output a popup window for indicating thatthe previous screen will be outputted to the display unit.

Referring to FIG. 9(c), if the swappable time of the battery swap modeexpires, the mobile terminal can turn off a power of the mobileterminal. In particular, while the main battery is not loaded into themobile terminal, if the swappable time of the battery swap mode expires,the mobile terminal can turn off the power of its own.

FIG. 10 is a diagram to describe one example of ending a battery swapmode according to another embodiment of the present invention. In thefollowing description of an embodiment with reference to FIG. 10,description redundant with the former description with reference toFIGS. 6 to 9 shall be omitted.

A first diagram of FIG. 10 may correspond to the fifth diagram of FIG.6. A mobile terminal is able to count and output a swappable time of abattery swap mode. For instance, the swappable time of the battery swapmode may be 60 seconds.

According to one embodiment of the present invention, while theswappable time of the battery swap mode is remaining, the mobileterminal can sense that a main battery is loaded into the mobileterminal. For instance, when the remaining swappable time of the batteryswap mode is 20 seconds, a user can load the main battery into themobile terminal.

Referring to second and third diagrams of FIG. 10, the mobile terminalcan output a popup window indicating that the main battery has beenloaded into the mobile terminal. As the main battery is loaded into themobile terminal, the mobile terminal can end the battery swap mode. Asthe battery swap mode is ended, the mobile terminal can output aprevious screen to a display unit.

FIG. 11 is a diagram to describe one example of determining a contentoperating mode based on a content according to one embodiment of thepresent invention. In the following description of an embodiment withreference to FIG. 11, description redundant with the former descriptionwith reference to FIGS. 4 to 10 shall be omitted.

Referring to FIG. 11, while a content is run, if a battery swap mode isentered, a mobile terminal can determine a content operating mode basedon a residual quantity of a backup battery. In this case, the contentoperating mode may be classified into 3 steps. For example, the contentoperating mode may include a first content operating mode forcontrolling a currently run content to be run in an external terminal, asecond content operating mode for outputting a minimum information forrunning a currently run content, and a third content operating mode formaintain the running of a currently run content. The detailed embodimentof the content operating mode shall be described in detail withreference to FIGS. 12 to 21 later. The classification of the contentoperating mode into 3 content operating modes on the basis of a residualquantity of the backup battery is just one example. And, it is a matterof course that the content operating mode can be classified into 3 ormore content operating modes.

According to one embodiment of the present invention, a mobile terminalcan set a different reference of a residual quantity of a backup batteryto determine a content operating mode. In particular, the mobileterminal can determine the content operating mode in consideration ofboth a currently run content and a residual quantity of the backupbattery.

While a call application is run in a mobile terminal, one example ofentering a battery swap mode is described by being taken as one example.If a residual quantity of a backup battery is equal to or smaller than30%, a mobile terminal can determine to launch a first content operatingmode. If a residual quantity of a backup battery is equal to or smallerthan 20%, a mobile terminal can determine to launch a second contentoperating mode. If a residual quantity of a backup battery is 50% ormore, a mobile terminal can determine to launch a third contentoperating mode.

In particular, although a battery swap mode is entered, if the mobileterminal determines that the residual quantity of the backup batteryremains enough to maintain the running of a currently run content, themobile terminal can launch the third content operating mode formaintaining the running of the currently run content. When the batteryswap mode is entered, if the mobile terminal determines that theresidual quantity of the backup battery is very insufficient, the mobileterminal can launch the second content operating mode for outputting aminimum information for running the currently run content.

According to one embodiment of the present invention, the residualquantity reference of the backup battery for determining theaforementioned content operating mode may be determined as a defaultvalue or a random value set by a user.

The following description is made by taking the call application as oneexample. First of all, while the call application is run, if the batteryswap mode is entered, the mobile terminal can determine the contentoperating mode with reference to ‘below 20%’ ‘below 30%’, or ‘above 50%’of the residual quantity of the backup battery. Regarding this, whilethe call application is run, if the battery swap mode is entered, a usercan set the mobile terminal to determine the content operating mode withreference to ‘below 20%’ or ‘above 30%’. Yet, the mobile terminal mayrequire a minimum condition, which is provided to launch the contentoperating mode determined in consideration of capability of the backupbattery, as a default value.

Moreover, according to one embodiment of the present invention, a usercan set a residual quantity reference of a backup battery, which isdifferent per content. For instance, in order to operate the firstcontent operating mode, in case of the call application, it is able toset a case that the residual quantity of the backup battery is 20% orless. In case of SMS application, it is able to set a case that theresidual quantity of the backup battery is 10% or less. In case of agallery application, it is able to set a case that the residual quantityof the backup battery is 50% or less.

Content Operating Mode Based on Residual Quantity of Backup Battery

While a content is run, if a battery swap mode is entered, a mobileterminal can determine a content operating mode based on a residualquantity of a backup battery. In case of entering a battery swap mode,an embodiment for controlling a currently run content in response to acontent operating mode is described with reference to FIGS. 12 to 21 asfollows.

The mobile terminal can enter the battery swap mode by the methoddescribed with reference to FIG. 6. Moreover, the mobile terminal isalso able to enter the battery swap mode by sensing that a main batteryis detached from the mobile terminal.

Particularly, FIG. 12 and FIG. 13 are diagrams to describe embodimentsof playing a video content, FIG. 14 and FIG. 15 are diagrams to describeembodiments of playing a music content, FIG. 16 and FIG. 17 are diagramsto describe embodiments of shooting a video content, FIG. 18 and FIG. 19are diagrams to describe embodiments of recording an audio, FIG. 20 is adiagram to describe an embodiment of a video call, and FIG. 21 is adiagram to describe an embodiment of a voice call.

FIG. 12 is a diagram to describe one example of playing a video in anexternal terminal in response to a content operating mode according toone embodiment of the present invention. In the following description ofan embodiment with reference to FIG. 12, description redundant with theformer description with reference to FIG. 11 shall be omitted.

Referring to a first diagram of FIG. 12, a mobile terminal 100 can playa video content 1210. While the video content 1210 is played, if abattery swap mode is entered, the mobile terminal 100 can sense aresidual quantity of a backup battery. In particular, if sensing that amain battery is detached from the mobile terminal 100, the mobileterminal 100 can sense the residual quantity of the backup battery. Inthe following description, assume a case that the residual quantity ofthe backup battery remains enough to transmit a currently run content toan external terminal 1200.

According to one embodiment of the present invention, the mobileterminal 100 can determine a content operating mode based on theresidual quantity of the backup battery. In doing so, the mobileterminal 100 can determine the content operating mode as a first contentoperating mode. In this case, the first content operating mode maycorrespond to a mode for controlling a currently run content to be runin the external terminal 1200.

According to one embodiment of the present invention, if the contentoperating mode is determined as the first content operating mode, themobile terminal 100 can transmit a control signal, which controls thevideo content 1210 currently played in the mobile terminal 100 to be runin the external terminal 1200, to the external terminal 1200.

According to one embodiment of the present invention, if the batteryswap mode is entered, the mobile terminal 100 can transmit image datafor playing the video content 1210 to the external terminal 1200 usingthe backup battery. In doing so, the mobile terminal 100 can transmitthe image data playable for an estimated time (e.g., 60 seconds) untilending the battery swap mode from an ending timing of the video content1210 in the mobile terminal 100. For instance, if the video content 1210is a video amounting to total 10 minutes, the mobile terminal 100 playsthe video content 1210 up to 3 minutes 10 seconds and is then able toenter the battery swap mode. In this case, the mobile terminal 100 cantransmit the image data ranging 3 minutes 10 seconds to 4 minutes 10seconds of the video content 1210 to the external terminal 1200.

According to one embodiment of the present invention, if the batteryswap mode is entered, the mobile terminal 100 can end a play of thevideo content 1210. Namely, while the main battery is swapped, themobile terminal 100 stops using the main battery by ending the play ofthe video content 1210 and is able to transmit a control signal to theexternal terminal 1200 using the backup battery. For instance, themobile terminal 100 plays the video content 1210 up to 3 minutes 10seconds and is then able to end the play of the video content 1210.

Referring to second and third diagrams of FIG. 12, having received thecontrol signal for controlling the video content 1210 to be run from themobile terminal 100, the external terminal 1200 can output a popupwindow 1220 querying whether to play the video content 1210.

According to one embodiment of the present invention, if the externalterminal 1200 senses an input signal 1230 for controlling the videocontent 1210 to be played, it is able to play the video content 1210using the image data received from the mobile terminal 100. In thiscase, the input signal 1230 may correspond to an input signal oftouching an icon for playing the video content 1210 in the outputtedpopup window 1220. For instance, the external terminal 1200 can play thevideo content 1210 starting at 3 minutes 10 seconds.

Referring to a fourth diagram of FIG. 12, if the battery swap mode isended, the mobile terminal 100 can resume the stopped play of the videocontent 1210. In particular, if the main battery is loaded into themobile terminal 100, the mobile terminal 100 can resume the stopped playof the video content 1210. In doing so, the mobile terminal 100 canresume the stopped play of the video content 1210 starting at a firsttiming. In this case, the first timing may correspond to a timing ofstopping the play of the video content 1210 run in the external terminal1200 in response to the control signal. For instance, when the videocontent 1210 is played up to 3 minutes 40 seconds in the externalterminal 1200, if the mobile terminal 100 senses that the battery swapmode is ended, the mobile terminal 100 can resume the play of the videocontent 1210 staring at 3 minutes 40 seconds.

Moreover, if the battery swap mode is ended, the mobile terminal 100 cantransmit a control signal for ending the play of the video content 1210to the external terminal 1200 [not shown in the drawing]. Hence, if thebattery swap mode of the mobile terminal 100 is ended, the externalterminal 1200 can end the play of the video content 1210.

FIG. 13, FIG. 15, FIG. 17, FIG. 19 and FIG. 20 are diagrams to describeembodiments of outputting minimum information for operating a contentcurrently run in a mobile terminal in case of entering a battery swapmode. In FIG. 13, FIG. 15, FIG. 17, FIG. 19 and FIG. 20, assume a casethat a residual quantity of a backup battery remains enough to outputminimum information for operating a currently run content. Hence,according to the embodiments shown in FIG. 13, FIG. 15, FIG. 17, FIG. 19and FIG. 20, if a mobile terminal enters a battery swap mode, it is ableto determine a content operating mode as a second content operatingmode.

FIG. 13 is a diagram to describe one example of outputting a minimuminformation only in playing a video in response to a content operatingmode according to one embodiment of the present invention. In thefollowing description of an embodiment with reference to FIG. 13,description redundant with the former description with reference to FIG.11 or FIG. 12 shall be omitted.

Referring to FIG. 13, a mobile terminal can play a video content 1310.While the video content 1310 is played, if a battery swap mode isentered, the mobile terminal 100 can sense a residual quantity of abackup battery.

FIG. 13(a) is a diagram to describe an embodiment of playing the videocontent 1310 in black and white mode in the mobile terminal 100, andFIG. 13(b) is a diagram to describe an embodiment of outputting soundonly.

Referring to a first diagram of FIG. 13(a), while the video content 1310is played, if the battery swap mode is entered, the mobile terminal 100can sense the residual quantity of the backup battery. According to oneembodiment of the present invention, the mobile terminal 100 candetermine a content operating mode based on the residual quantity of thebackup battery. In doing so, the mobile terminal 100 can determine thecontent operating mode as a second content operating mode. In this case,the second content operating mode may correspond to a mode of outputtingminimum information for operating a currently run content to a displayunit only.

Referring to a second diagram of FIG. 13(a), if the content operatingmode is determined as the second content operating mode, the mobileterminal 100 can output only minimum information for playing the videocontent 1310. In doing so, the minimum information may include black andwhite information of the video content 1310. In particular, while thevideo content 1310 is played, if the main battery is detached from themobile terminal 100, the mobile terminal 100 can output the currentlyplayed video content 1310 in black and white. In doing so, the mobileterminal 100 can play the video content 1310 in black and white usingthe backup battery.

Referring to a first diagram of FIG. 13(b), while the video content 1310is played, if the battery swap mode is entered, the mobile terminal 100can sense the residual quantity of the backup battery. The mobileterminal 100 can determine a content operating mode as a second contentoperating mode based on the sensed residual quantity of the backupbattery.

Referring to a second diagram of FIG. 13(b), if the content operatingmode is determined as the second content operating mode, the mobileterminal 100 can output only minimum information for playing the videocontent 1310. In doing so, the minimum information may include soundinformation of the video content 1310. In particular, while the videocontent 1310 is played, if the main battery is detached from the mobileterminal 100, the mobile terminal 100 stops outputting image data of thecurrently played video content 1310 and is able to output audio dataonly.

Moreover, while the video content 1210 is played in the second contentoperating mode, if the mobile terminal 100 senses that the battery swapmode is ended, the mobile terminal 100 can play the video content 1310in original form [not shown in the drawing].

In particular, since the mobile terminal 100 can control a content to berun using a minimum battery in accordance with a residual quantity ofthe backup battery, it may not end a currently run content in the courseof swapping the main battery.

FIG. 14 is a diagram to describe one example of playing a music in anexternal terminal in response to a content operating mode according toone embodiment of the present invention. In the following description ofan embodiment with reference to FIG. 14, description redundant with theformer description with reference to FIGS. 11 to 13 shall be omitted.

Referring to a first diagram of FIG. 14, a mobile terminal 100 can playa music content 1410. While the music content 1410 is played, if abattery swap mode is entered, the mobile terminal 100 can sense aresidual quantity of a backup battery. In the following description,assume a case that the residual quantity of the backup battery remainsenough to transmit a currently run content to an external terminal 1400.

According to one embodiment of the present invention, the mobileterminal 100 can determine a content operating mode as a first contentoperating mode based on the residual quantity of the backup battery. Inthis case, the first content operating mode may correspond to a mode forcontrolling a currently run content to be run in the external terminal1400.

According to one embodiment of the present invention, if the contentoperating mode is determined as the first content operating mode, themobile terminal 100 can transmit a control signal, which controls themusic content 1410 currently played in the mobile terminal 100 to be runin the external terminal 1400, to the external terminal 1200.

According to one embodiment of the present invention, if the batteryswap mode is entered, the mobile terminal 100 can end a play of themusic content 1410.

Referring to second and third diagrams of FIG. 14, having received thecontrol signal for controlling the music content 1410 to be run from themobile terminal 100, the external terminal 1200 can output a popupwindow 1420 querying whether to play the music content 1410.

According to one embodiment of the present invention, if the externalterminal 1200 senses an input signal 1430 for controlling the musiccontent 1410 to be played, it is able to play the music content 1410using the audio data received from the mobile terminal 100.

Referring to a fourth diagram of FIG. 12, if the battery swap mode isended, the mobile terminal 100 can resume the stopped play of the musiccontent 1410.

FIG. 15 is a diagram to describe one example of outputting a minimuminformation only in playing a music in response to a content operatingmode according to one embodiment of the present invention. In thefollowing description of an embodiment with reference to FIG. 15,description redundant with the former description with reference toFIGS. 11 to 14 shall be omitted.

Referring to a first diagram of FIG. 15, while the music content 1510 isplayed, if the battery swap mode is entered, the mobile terminal 100 cansense the residual quantity of the backup battery. According to oneembodiment of the present invention, the mobile terminal 100 candetermine a content operating mode as a second content operating modebased on the sensed residual quantity of the backup battery. In thiscase, the second content operating mode may correspond to a mode ofoutputting minimum information for operating a currently run content toa display unit only.

Referring to a second diagram of FIG. 15, if the content operating modeis determined as the second content operating mode, the mobile terminal100 can output only minimum information for playing the music content1510. In doing so, the minimum information may include a play or stopicon of the music content 1510. In particular, while the music content1510 is played, if the battery swap mode is entered, the mobile terminal100 can output the play or stop icon to the display unit only.

FIG. 16 and FIG. 18 are diagrams to describe embodiments of running acontent, which is currently run in a mobile terminal, in an externalterminal in case of entering a battery swap mode. Yet, unlike FIGS. 12to 15, in case that an external terminal is running the same content asrun currently in a mobile terminal, FIG. 16 and FIG. 18 show embodimentsof connecting the currently run contents.

In the following description with reference to FIG. 16 and FIG. 18,assume a case that the residual quantity of the backup battery remainsenough to transmit a currently run content to an external terminal.Hence, according to the embodiment shown in FIG. 16 or FIG. 18, if themobile terminal enters a battery swap mode, it is able to determine acontent operating mode as a first content operating mode.

FIG. 16 is a diagram to describe one example of shooting a video in anexternal terminal in response to a content operating mode according toone embodiment of the present invention. In the following description ofan embodiment with reference to FIG. 16, description redundant with theformer description with reference to FIGS. 11 to 15 shall be omitted.

Referring to a first diagram of FIG. 16, a mobile terminal 100 can shoota video content 1610 through a camera. In particular, the mobileterminal 100 can shoot the video content 1610 of a first view angle areaincluding a first object through the camera. For instance, the mobileterminal 100 can record the first object during 3 minutes 10 seconds.

Referring to second and third diagrams of FIG. 16, if a residualquantity of at least one of a main battery and a backup battery becomesequal to or smaller than a preset value in the course of shooting thevideo content 1610, the mobile terminal 100 can output a popup window1620 indicating a battery swap mode entry to a display unit. Forinstance, if a sensed residual quantity of the main battery becomesequal to or smaller than a preset value (e.g., 10%), since there remains10% of the residual quantity of the main battery, the mobile terminal100 can output the popup window 1620 indicating that a battery swap modeis entered.

According to one embodiment of the present invention, the mobileterminal 100 can detect an external terminal 1600 currently running thesame content as run currently in the mobile terminal 100. In this case,the external terminal 1600 may correspond to a terminal currentlyshooting the video content 1610 currently run in the mobile terminal100.

In particular, the mobile terminal 100 can receive a signalcorresponding to a recording standby mode of the external terminal 1600from the detected external terminal 1600. In this case, the recordingstandby mode may correspond to a state that a view angle are of a cameraprovided to the external terminal 1600 enters the first view angle areaincluding the first object.

Namely, the mobile terminal 100 can detect whether the external terminal1600 currently runs the same content and whether the external terminal1600 has entered the recording standby mode for the same object in thesame view angle area.

According to one embodiment of the present invention, the mobileterminal 100 can transmit a first control signal for controlling theexternal terminal 1600 to record the first object to the externalterminal 1600. Hence, the external terminal 1600 can record the firstobject through the camera provided to the external terminal 1600. Indoing so, the external terminal 1600 can output a popup window 1630indicating that the video content 1610 recorded by the mobile terminal100 continues to be recorded. Moreover, after the mobile terminal 100has transmitted the control signal for controlling the external terminal1600 to record the first objet to the external terminal 1600, if themobile terminal 100 enters a battery swap mode, it is able to end therecording of the video content 1610.

Moreover, according to one embodiment of the present invention, themobile terminal 100 can transmit a control signal for controlling thefirst object to be recorded by starting at a first timing to theexternal terminal 1600. In this case, the first timing may correspond toa timing for the camera of the mobile terminal 100 to end the recordingof the video content 1610. Hence, the external terminal 1600 can recordthe first object by starting at the first timing. For example, if themobile terminal 100 enters the battery swap mode in a state that thefirst object is recorded up to 3 minutes 10 seconds, the externalterminal 1600 can record the first object by starting at 3 minutes 10seconds. And, the external terminal 1600 can output a popup window 1630indicating that the first object is recorded by starting at 3 minutes 10seconds.

Referring to a fourth diagram of FIG. 16, the external terminal 1600 cantransmit the recorded video data to the mobile terminal 100. The mobileterminal 100 ends the video content 1610 and is able to receive therecorded video data from the external terminal 1600 using the backupbattery in the course of swapping the main battery. For instance, if theexternal terminal 1600 starts to record the first object from 3 minutes10 seconds, it is able to transmit the video data recorded from 3minutes 10 seconds to the mobile terminal 100. In this case, theexternal terminal 1600 can transmit the video data to the mobileterminal 100 as soon as the external terminal 1600 records the videocontent 1610.

Referring to a fifth diagram of FIG. 16, in case that the battery swapmode is ended, the mobile terminal 100 can record the ended videocontent 1610 again. In doing so, the mobile terminal 100 can record thefirst object by starting at a second timing based on the video datareceived from the external terminal 1600. In this case, the secondtiming may correspond to a timing at which a time taken for the externalterminal 1600 to record the first object from the first timing expires.For instance, if the external terminal 1600 records the first object for30 seconds from 3 minutes 10 seconds, it is able to transmit video dataamounting to 30 seconds to the mobile terminal 100. Hence, the mobileterminal 100 can record the first object by starting at 3 minutes 40seconds based on the received video data.

According to one embodiment of the present invention, if the batteryswap mode is ended, the mobile terminal 100 can transmit a controlsignal for controlling the recorded data to be deleted to the externalterminal 1600. Hence, the external terminal 1600 can delete the recordedvideo data.

According to one embodiment of the present invention, the mobileterminal 100 can output a popup window 1640 indicating that the mobileterminal 100 continues to record the video content 1610 currentlyrecorded by the external terminal 1600. For instance, the mobileterminal 100 can output the popup window 1640 indicating that the firstobject is recorded by starting at 3 minutes 40 seconds.

FIG. 17 is a diagram to describe one example of outputting minimuminformation only in shooting a video in response to a content operatingmode according to one embodiment of the present invention. In thefollowing description of an embodiment with reference to FIG. 17,description redundant with the former description with reference toFIGS. 11 to 16 shall be omitted.

Referring to a first diagram of FIG. 17(a), a mobile terminal 100 canshoot a video content 1610 through a camera.

Referring to a second diagram of FIG. 17(a), if a residual quantity ofat least one of a main battery and a backup battery becomes equal to orsmaller than a preset value in the course of shooting the video content1610, the mobile terminal 100 can output a popup window 1720 indicatinga battery swap mode entry to a display unit.

Referring to a third diagram of FIG. 17(a), if a battery swap mode isentered in the course of shooting the video content 1710, the mobileterminal can output minimum information for operating a currently runcontent to the display unit. In this case, the minimum information mayinclude information for the shooting of the video content 1710. Forinstance, the minimum information may include a shot stop icon of thevideo content 1710, a focus region indicator and the like.

Namely, according to one embodiment of the present invention, while themain battery is swapped, the mobile terminal 100 can output only theminimum information for the shooting of the video content 1710 using thebackup battery.

Referring to a first diagram of FIG. 17(b), the mobile terminal 100 canshoot a video content 1710 through the camera. Unlike FIG. 17(a),although a residual quantity of at least one of the main battery and thebackup battery does not become equal to or smaller than the presetvalue, the mobile terminal 100 can enter a battery swap mode. Namely,although a residual quantity of at least one of the main battery and thebackup battery does not become equal to or smaller than the presetvalue, a user can swap the main battery.

Referring to a second diagram of FIG. 17(b), if a battery swap mode isentered in the course of shooting the video content 1710, the mobileterminal can output minimum information for operating a currently runcontent to the display unit. In this case, the minimum information mayinclude a black and white mode of the video content 1710.

According to one embodiment of the present invention, while the mainbattery is swapped, the mobile terminal 100 can shoot the video content1710 in black and white mode using the backup battery.

In particular, by displaying necessary information enough to check ascreen composition for shooting a video only, the mobile terminal 100can maintain the minimum battery consumption in the course of swapping amain battery.

FIG. 18 is a diagram to describe one example of recording an audio in anexternal terminal in response to a content operating mode according toone embodiment of the present invention. In the following description ofan embodiment with reference to FIG. 18, description redundant with theformer description with reference to FIGS. 11 to 17 shall be omitted.

Referring to a first diagram of FIG. 18, a mobile terminal 100 canrecord audio or voice through a microphone by launching an audiorecording content 1810. In this case, the audio recording content 1810may include a recording application for example. In particular, themobile terminal 100 can record an audio of a first object through themicrophone. For instance, the mobile terminal 100 can record the audioof the first object for 4 minutes 52 seconds.

According to one embodiment of the present invention, the mobileterminal 100 can detect an external terminal 1800 currently running thesame content as run currently in the mobile terminal 100. In this case,the external terminal 1800 may correspond to a terminal currentlyrunning the audio recording content 1810 currently run in the mobileterminal 100.

In particular, the mobile terminal 100 can receive a signalcorresponding to a recording standby mode of the external terminal 1800from the detected external terminal 1800. In this case, the recordingstandby mode may correspond to a state that a microphone provided to theexternal terminal 1800 senses the audio of the first object. Namely, themobile terminal 100 can detect whether the external terminal 1800currently runs the same content and whether the external terminal 1800has entered the recording standby mode for the audio of the same object.

Referring to a second diagram of FIG. 18, the mobile terminal 100 cantransmit a control signal for controlling the external terminal 1800 torecord the audio of the first object to the external terminal 1800. Indoing so, the external terminal 1800 can output a popup window 1820indicating that the audio of the first object recorded by the mobileterminal 100 continues to be recorded.

Unlike FIG. 16, if the external terminal 1800 senses an input signal1830 of continuing the recording through the outputted popup window1820, it is able to record the audio of the first object provided to theexternal terminal 1800.

After the mobile terminal 100 has transmitted the control signal forcontrolling the external terminal 1800 to record the audio of the firstobjet to the external terminal 1800, if the mobile terminal 100 enters abattery swap mode, it is able to end the recording of the audio content1810. Moreover, in case of receiving a signal corresponding to the inputsignal 1830 indicating that the recording is continued from the externalterminal 1800, the mobile terminal 100 can end the running of the audiorecording content 1810.

Referring to a third diagram of FIG. 18, the mobile terminal 100 cantransmit a control signal for controlling the audio of the first objectto be recorded by starting at a first timing to the external terminal1800. In this case, the first timing may correspond to a timing for themicrophone of the mobile terminal 100 to end the audio recording of thefirst object through the audio recording content 1810. Hence, theexternal terminal 1800 can record the audio of the first object bystarting at the first timing. For example, if the mobile terminal 100enters the battery swap mode in a state that the audio of the firstobject is recorded up to 4 minutes 52 seconds, the external terminal1800 can record the audio of the first object by starting at 4 minutes52 seconds. And, the external terminal 1800 can output a popup window1830 indicating that the audio of the first object is recorded bystarting at 4 minutes 52 seconds.

According to one embodiment of the present invention, the externalterminal 1800 can transmit the recorded audio data to the mobileterminal 100. The mobile terminal 100 ends the audio recording content1810 and is able to receive the recorded audio data from the externalterminal 1800 using the backup battery in the course of swapping themain battery. For instance, if the external terminal 1800 starts torecord the audio of the first object from 4 minutes 52 seconds, it isable to transmit the audio data recorded from 3 minutes 10 seconds tothe mobile terminal 100.

Referring to a fourth diagram of FIG. 18, in case that the battery swapmode is ended, the mobile terminal 100 can record the audio of the firstobject again through the ended audio recording content 1810. In doingso, the mobile terminal 100 can record the first object by starting at asecond timing based on the audio data received from the externalterminal 1800. In this case, the second timing may correspond to atiming at which a time taken for the externa terminal 1800 to record theaudio of the first object from the first timing expires. For instance,if the external terminal 1800 records the audio of the first object for30 seconds from 4 minutes 52 seconds, it is able to transmit audio dataamounting to 30 seconds to the mobile terminal 100. Hence, the mobileterminal 100 can record the audio of the first object by starting at 5minutes 22 seconds based on the received audio data.

According to one embodiment of the present invention, if the batteryswap mode is ended, the mobile terminal 100 can transmit a controlsignal for controlling the recorded audio data to be deleted to theexternal terminal 1800. Hence, the external terminal 1800 can delete therecorded audio data.

According to one embodiment of the present invention, the mobileterminal 100 can output a popup window 1840 indicating that the mobileterminal 100 continues to record the audio of the first object currentlyrecorded by the external terminal 1800. For instance, the mobileterminal 100 can output the popup window 1840 indicating that the audioof the first object is recorded by starting at 5 minutes 22 seconds.

Moreover, unlike FIG. 16, in case of sensing an input signal 1850indicating that the recording is continued through the outputted popupwindow 1840, the external terminal 1800 can restart the recording of theaudio of the first object through the microphone provided to the mobileterminal 100.

FIG. 19 is a diagram to describe one example of outputting a minimuminformation only in recording an audio in response to a contentoperating mode according to one embodiment of the present invention. Inthe following description of an embodiment with reference to FIG. 19,description redundant with the former description with reference toFIGS. 11 to 18 shall be omitted.

Referring to a first diagram of FIG. 19, a mobile terminal can recordaudio of a first object through a microphone by launching an audiorecording content 1910. While the audio of the first object is recorded,if a battery swap mode is entered, the mobile terminal 100 can sense aresidual quantity of a backup battery. Based on the sensed residualquantity of the backup battery, the mobile terminal 100 can determine acontent operating mode as a second content operating mode.

Referring to a second diagram of FIG. 19, if the content operating modeis determined as the second content operating mode, the mobile terminal100 can output minimum information for operating the currently runcontent to a display unit. In this case, the minimum information mayinclude information for the recording of the audio recording content1910. For instance, the minimum information may include an icon forending the recording of the audio recording content 1910.

According to one embodiment of the present invention, the mobileterminal 100 can output the icon for ending the recording of the audiorecording content 1910 to the display only using the backup battery inthe course of swapping the main battery.

While the audio recording content 1910 is run in a second contentoperating mode, if the mobile terminal 100 detects that the battery swapmode is ended, the mobile terminal 100 can run the audio recordingcontent 1910 in a previous manner.

FIG. 20 is a diagram to describe one example of outputting a minimuminformation only in making a video call in response to a contentoperating mode according to one embodiment of the present invention. Inthe following description of an embodiment with reference to FIG. 20,description redundant with the former description with reference toFIGS. 11 to 19 shall be omitted.

Referring to a first diagram of FIG. 20, a mobile terminal 100 canlaunch a video call content 2010. The mobile terminal 100 can perform avideo call with a counterpart terminal using the video call content2010. While the video call content 2010 is run, if a battery swap modeis entered, the mobile terminal 100 can sense a residual quantity of abackup battery. Based on the sensed residual quantity of the backupbattery, the mobile terminal 100 can determine a content operating modeas a second content operating mode.

Referring to a second diagram of FIG. 20, if the content operating modeis determined as the second content operating mode, the mobile terminal100 can output minimum information for operating the video call content2010. In this case, the minimum information for running the video callcontent 2010 may include a name of the counterpart terminal, a calltime, and a call end icon. In particular, while the video call content2010 is run, if a main battery is detached from the mobile terminal 100,the mobile terminal 100 ends an output of image data of the currentlyrun video call content 2010 and is able to output the name of thecounterpart terminal, the call time, and the call end icon only.

While the video call content 2010 is run in a second content operatingmode, if the mobile terminal 100 detects that the battery swap mode isended, the mobile terminal 100 can run the video call content 2010 in aprevious manner.

FIG. 21 is a diagram to describe one example of changing a mode in thecourse of a voice call in response to a content operating mode accordingto one embodiment of the present invention. In the following descriptionof an embodiment with reference to FIG. 21, description redundant withthe former description with reference to FIGS. 11 to 20 shall beomitted.

Referring to a first diagram of FIG. 21, a mobile terminal 100 canlaunch a voice call content 2110. The mobile terminal 100 can perform avoice call with a counterpart terminal using the voice call content2110. While the voice call content 2110 is run, if a battery swap modeis entered, the mobile terminal 100 can sense a residual quantity of abackup battery. Based on the sensed residual quantity of the backupbattery, the mobile terminal 100 can determine a content operating modeas a second content operating mode.

Referring to a second diagram of FIG. 21, if the content operating modeis determined as the second content operating mode, the mobile terminal100 switches the voice call content 2110 to a messenger content 2120 andis able to launch the messenger content 2120. In particular, while thevideo call content 2110 is run, if a main battery is detached from themobile terminal 100, the mobile terminal 100 pauses the voice callcontent 2110 and is then able to transceive messages with a counterpartterminal by switching to the messenger content 2120.

While the messenger content 2120 is run in a second content operatingmode, if the mobile terminal 100 detects that the battery swap mode isended, the mobile terminal 100 ends the messenger content 2120 and canrun the voice call content 2110 in a previous manner.

Thus, if the mobile terminal determines the content operating mode asthe second content operating mode, the mobile terminal replaces acurrently run content by another content having battery consumption lessthan that of the currently run content and is able to run the lattercontent until the battery swap mode is ended since an entry into thebattery swap mode.

FIG. 22 is a flowchart to describe one example of determining a contentoperating mode based on a battery residual quantity according to oneembodiment of the present invention. The respective steps described withreference to FIG. 22 can be controlled by the controller shown in FIG.1A.

In a step S2210, a mobile terminal can launch a content.

In a step S2220, while the content is run, the mobile terminal candetect that a battery swap mode is entered. In this case, the batteryswap mode may correspond to a state that a main battery is detached orseparated from the mobile terminal. For example, when a user detachesthe main battery from the mobile terminal, the mobile terminal candetect that the battery swap mode is entered. For instance, in responseto a long touch input signal of long pressing a power button by a user,the mobile terminal can detect that the battery swap mode is entered.

In a step S2230, the mobile terminal can sense a residual quantity of abackup battery.

In a step S2240, the mobile terminal can determine a content operatingmode based on the sensed residual quantity of the backup battery. Inthis case, the content operating mode may include a first contentoperating mode for controlling a currently run content to be run in anexternal terminal, a second content operating mode for outputting aminimum information for running a currently run content, and a thirdcontent operating mode for maintain the running of a currently runcontent. And, the mobile terminal can set a different reference of aresidual quantity of the backup battery to determine a content operatingmode. In particular, the mobile terminal can determine the contentoperating mode in consideration of both a currently run content and aresidual quantity of the backup battery.

Moreover, the mobile terminal can operate a content in response to thedetermined operating mode when the battery swap mode is entered.

The present invention mentioned in the foregoing description can beimplemented in a program recorded medium as computer-readable codes. Thecomputer-readable media may include all kinds of recording devices inwhich data readable by a computer system are stored. Thecomputer-readable media may include HDD (Hard Disk Drive), SSD (SolidState Disk), SDD (Silicon Disk Drive), ROM, RAM, CD-ROM, magnetic tapes,floppy discs, optical data storage devices, and the like for example andalso include carrier-wave type implementations (e.g., transmission viaInternet). Further, the computer may include the controller 180 of theterminal. The foregoing embodiments are merely exemplary and are not tobe considered as limiting the present disclosure. The present teachingscan be readily applied to other types of methods and apparatuses. Thus,it is intended that the present invention covers the modifications andvariations of this invention that come within the scope of the appendedclaims and their equivalents.

What is claimed is:
 1. A mobile terminal, comprising: a primary batteryand a secondary battery; a display; and a controller configured to:detect a battery status of the secondary battery when the mobileterminal is changed to a battery swap mode while executing content; andselect a content operating mode from a plurality of operating modesbased on the detected battery status of the secondary battery; whereinthe battery swap mode allows for the primary battery to be uncoupledfrom the mobile terminal.